diff --git a/docs/assets/js/vendor/autoprefixer.js b/docs/assets/js/vendor/autoprefixer.js
index 2919f5f62c..2fabe8bfa4 100644
--- a/docs/assets/js/vendor/autoprefixer.js
+++ b/docs/assets/js/vendor/autoprefixer.js
@@ -1,8 +1,8 @@
-!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.autoprefixer=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.autoprefixer = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
 (function() {
   var Autoprefixer, Browsers, Prefixes, autoprefixer, browserslist, infoCache, isPlainObject, postcss,
-    __slice = [].slice,
-    __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
+    slice = [].slice,
+    bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
 
   browserslist = require('browserslist');
 
@@ -20,7 +20,7 @@
 
   autoprefixer = function() {
     var options, reqs;
-    reqs = 1 <= arguments.length ? __slice.call(arguments, 0) : [];
+    reqs = 1 <= arguments.length ? slice.call(arguments, 0) : [];
     if (reqs.length === 1 && isPlainObject(reqs[0])) {
       options = reqs[0];
       reqs = void 0;
@@ -39,16 +39,16 @@
   };
 
   autoprefixer.data = {
-    browsers: require('../data/browsers'),
+    browsers: require('caniuse-db/data').agents,
     prefixes: require('../data/prefixes')
   };
 
   Autoprefixer = (function() {
-    function Autoprefixer(data, reqs, options) {
+    function Autoprefixer(data, reqs1, options1) {
       this.data = data;
-      this.reqs = reqs;
-      this.options = options != null ? options : {};
-      this.postcss = __bind(this.postcss, this);
+      this.reqs = reqs1;
+      this.options = options1 != null ? options1 : {};
+      this.postcss = bind(this.postcss, this);
     }
 
     Autoprefixer.prototype.process = function(str, options) {
@@ -109,47 +109,14 @@
 
 }).call(this);
 
-},{"../data/browsers":2,"../data/prefixes":3,"./browsers":5,"./info":37,"./prefixes":41,"browserslist":55,"postcss":107}],2:[function(require,module,exports){
+},{"../data/prefixes":2,"./browsers":4,"./info":37,"./prefixes":41,"browserslist":55,"caniuse-db/data":56,"postcss":107}],2:[function(require,module,exports){
 (function() {
-  var data, name, _ref;
+  var add, crispedges, feature, flexbox, gradients, logicalProps, prefix, resolution, result, sort, textDecoration,
+    slice = [].slice;
 
-  module.exports = {};
-
-  _ref = require('caniuse-db/data').agents;
-  for (name in _ref) {
-    data = _ref[name];
-    module.exports[name] = {
-      prefix: name === 'opera' ? '-o-' : "-" + data.prefix + "-"
-    };
-  }
-
-}).call(this);
-
-},{"caniuse-db/data":56}],3:[function(require,module,exports){
-(function() {
-  var browsers, feature, filter, logicalProps, map, prefix, resolution, textDecoration,
-    __slice = [].slice;
-
-  browsers = require('./browsers');
-
-  feature = function(data, opts, callback) {
-    var browser, match, need, sorted, support, version, versions, _ref, _ref1;
-    if (!callback) {
-      _ref = [opts, {}], callback = _ref[0], opts = _ref[1];
-    }
-    match = opts.match || /\sx($|\s)/;
-    need = [];
-    _ref1 = data.stats;
-    for (browser in _ref1) {
-      versions = _ref1[browser];
-      for (version in versions) {
-        support = versions[version];
-        if (browsers[browser] && support.match(match)) {
-          need.push(browser + ' ' + version);
-        }
-      }
-    }
-    sorted = need.sort(function(a, b) {
+  sort = function(array) {
+    return array.sort(function(a, b) {
+      var d;
       a = a.split(' ');
       b = b.split(' ');
       if (a[0] > b[0]) {
@@ -157,45 +124,71 @@
       } else if (a[0] < b[0]) {
         return -1;
       } else {
-        return parseFloat(a[1]) - parseFloat(b[1]);
+        d = parseFloat(a[1]) - parseFloat(b[1]);
+        if (d > 0) {
+          return 1;
+        } else if (d < 0) {
+          return -1;
+        } else {
+          return 0;
+        }
       }
     });
-    return callback(sorted);
   };
 
-  map = function(browsers, callback) {
-    var browser, name, version, _i, _len, _ref, _results;
-    _results = [];
-    for (_i = 0, _len = browsers.length; _i < _len; _i++) {
-      browser = browsers[_i];
-      _ref = browser.split(' '), name = _ref[0], version = _ref[1];
-      version = parseFloat(version);
-      _results.push(callback(browser, name, version));
+  feature = function(data, opts, callback) {
+    var browser, match, need, ref, ref1, support, version, versions;
+    if (!callback) {
+      ref = [opts, {}], callback = ref[0], opts = ref[1];
     }
-    return _results;
+    match = opts.match || /\sx($|\s)/;
+    need = [];
+    ref1 = data.stats;
+    for (browser in ref1) {
+      versions = ref1[browser];
+      for (version in versions) {
+        support = versions[version];
+        if (support.match(match)) {
+          need.push(browser + ' ' + version);
+        }
+      }
+    }
+    return callback(sort(need));
   };
 
-  filter = function(browsers, callback) {
-    return browsers.filter(function(browser) {
-      var name, version, _ref;
-      _ref = browser.split(' '), name = _ref[0], version = _ref[1];
-      version = parseFloat(version);
-      return callback(name, version);
-    });
-  };
+  result = {};
 
   prefix = function() {
-    var data, name, names, _i, _j, _len, _results;
-    names = 2 <= arguments.length ? __slice.call(arguments, 0, _i = arguments.length - 1) : (_i = 0, []), data = arguments[_i++];
-    _results = [];
-    for (_j = 0, _len = names.length; _j < _len; _j++) {
-      name = names[_j];
-      _results.push(module.exports[name] = data);
+    var data, i, j, k, len, name, names, results;
+    names = 2 <= arguments.length ? slice.call(arguments, 0, j = arguments.length - 1) : (j = 0, []), data = arguments[j++];
+    results = [];
+    for (k = 0, len = names.length; k < len; k++) {
+      name = names[k];
+      result[name] = {};
+      results.push((function() {
+        var results1;
+        results1 = [];
+        for (i in data) {
+          results1.push(result[name][i] = data[i]);
+        }
+        return results1;
+      })());
     }
-    return _results;
+    return results;
   };
 
-  module.exports = {};
+  add = function() {
+    var data, j, k, len, name, names, results;
+    names = 2 <= arguments.length ? slice.call(arguments, 0, j = arguments.length - 1) : (j = 0, []), data = arguments[j++];
+    results = [];
+    for (k = 0, len = names.length; k < len; k++) {
+      name = names[k];
+      results.push(result[name].browsers = sort(result[name].browsers.concat(data.browsers)));
+    }
+    return results;
+  };
+
+  module.exports = result;
 
   feature(require('caniuse-db/features-json/border-radius'), function(browsers) {
     return prefix('border-radius', 'border-top-left-radius', 'border-top-right-radius', 'border-bottom-right-radius', 'border-bottom-left-radius', {
@@ -214,6 +207,7 @@
 
   feature(require('caniuse-db/features-json/css-animation'), function(browsers) {
     return prefix('animation', 'animation-name', 'animation-duration', 'animation-delay', 'animation-direction', 'animation-fill-mode', 'animation-iteration-count', 'animation-play-state', 'animation-timing-function', '@keyframes', {
+      mistakes: ['-ms-'],
       browsers: browsers
     });
   });
@@ -242,17 +236,29 @@
     });
   });
 
-  feature(require('caniuse-db/features-json/css-gradients'), function(browsers) {
-    browsers = map(browsers, function(browser, name, version) {
-      if (name === 'android' && version < 4 || name === 'ios_saf' && version < 5 || name === 'safari' && version < 5.1) {
-        return browser + ' old';
+  gradients = require('caniuse-db/features-json/css-gradients');
+
+  feature(gradients, {
+    match: /y\sx/
+  }, function(browsers) {
+    return prefix('linear-gradient', 'repeating-linear-gradient', 'radial-gradient', 'repeating-radial-gradient', {
+      props: ['background', 'background-image', 'border-image', 'list-style', 'list-style-image', 'content', 'mask-image', 'mask'],
+      mistakes: ['-ms-'],
+      browsers: browsers
+    });
+  });
+
+  feature(gradients, {
+    match: /a\sx/
+  }, function(browsers) {
+    browsers = browsers.map(function(i) {
+      if (/op/.test(i)) {
+        return i;
       } else {
-        return browser;
+        return i + " old";
       }
     });
-    return prefix('linear-gradient', 'repeating-linear-gradient', 'radial-gradient', 'repeating-radial-gradient', {
-      props: ['background', 'background-image', 'border-image', 'list-style', 'list-style-image', 'content'],
-      mistakes: ['-ms-'],
+    return add('linear-gradient', 'repeating-linear-gradient', 'radial-gradient', 'repeating-radial-gradient', {
       browsers: browsers
     });
   });
@@ -286,18 +292,16 @@
     });
   });
 
-  feature(require('caniuse-db/features-json/flexbox'), function(browsers) {
-    browsers = map(browsers, function(browser, name, version) {
-      if (name === 'safari' && version < 6.1) {
-        return browser + ' 2009';
-      } else if (name === 'ios_saf' && version < 7) {
-        return browser + ' 2009';
-      } else if (name === 'chrome' && version < 21) {
-        return browser + ' 2009';
-      } else if (name === 'android' && version < 4.4) {
-        return browser + ' 2009';
+  flexbox = require('caniuse-db/features-json/flexbox');
+
+  feature(flexbox, {
+    match: /a\sx/
+  }, function(browsers) {
+    browsers = browsers.map(function(i) {
+      if (/ie|firefox/.test(i)) {
+        return i;
       } else {
-        return browser;
+        return i + " 2009";
       }
     });
     prefix('display-flex', 'inline-flex', {
@@ -313,6 +317,20 @@
     });
   });
 
+  feature(flexbox, {
+    match: /y\sx/
+  }, function(browsers) {
+    add('display-flex', 'inline-flex', {
+      browsers: browsers
+    });
+    add('flex', 'flex-grow', 'flex-shrink', 'flex-basis', {
+      browsers: browsers
+    });
+    return add('flex-direction', 'flex-wrap', 'flex-flow', 'justify-content', 'order', 'align-items', 'align-self', 'align-content', {
+      browsers: browsers
+    });
+  });
+
   feature(require('caniuse-db/features-json/calc'), function(browsers) {
     return prefix('calc', {
       props: ['*'],
@@ -346,14 +364,16 @@
   });
 
   feature(require('caniuse-db/features-json/css-placeholder'), function(browsers) {
-    browsers = map(browsers, function(browser, name, version) {
-      if (name === 'firefox' && version <= 18) {
-        return browser + ' old';
+    browsers = browsers.map(function(i) {
+      var name, ref, version;
+      ref = i.split(' '), name = ref[0], version = ref[1];
+      if (name === 'firefox' && parseFloat(version) <= 18) {
+        return i + ' old';
       } else {
-        return browser;
+        return i;
       }
     });
-    return prefix('::placeholder', {
+    return prefix(':placeholder-shown', '::placeholder', {
       selector: true,
       browsers: browsers
     });
@@ -432,7 +452,11 @@
   });
 
   feature(require('caniuse-db/features-json/css-masks'), function(browsers) {
-    return prefix('clip-path', 'mask', 'mask-clip', 'mask-composite', 'mask-image', 'mask-origin', 'mask-position', 'mask-repeat', 'mask-size', {
+    prefix('mask-clip', 'mask-composite', 'mask-image', 'mask-origin', 'mask-repeat', {
+      browsers: browsers
+    });
+    return prefix('clip-path', 'mask', 'mask-position', 'mask-size', {
+      transition: true,
       browsers: browsers
     });
   });
@@ -489,13 +513,25 @@
     });
   });
 
-  feature(require('caniuse-db/features-json/css-crisp-edges'), function(browsers) {
+  crispedges = require('caniuse-db/features-json/css-crisp-edges');
+
+  feature(crispedges, {
+    match: /y x/
+  }, function(browsers) {
     return prefix('crisp-edges', {
       props: ['image-rendering'],
       browsers: browsers
     });
   });
 
+  feature(crispedges, {
+    match: /a x #2/
+  }, function(browsers) {
+    return prefix('image-rendering', {
+      browsers: browsers
+    });
+  });
+
   logicalProps = require('caniuse-db/features-json/css-logical-props');
 
   feature(logicalProps, function(browsers) {
@@ -505,10 +541,9 @@
     });
   });
 
-  feature(logicalProps, function(browsers) {
-    browsers = filter(browsers, function(i) {
-      return i !== 'firefox' && i !== 'and_ff';
-    });
+  feature(logicalProps, {
+    match: /x\s#2/
+  }, function(browsers) {
     return prefix('border-block-start', 'border-block-end', 'margin-block-start', 'margin-block-end', 'padding-block-start', 'padding-block-end', {
       transition: true,
       browsers: browsers
@@ -517,16 +552,16 @@
 
 }).call(this);
 
-},{"./browsers":2,"caniuse-db/features-json/background-img-opts":57,"caniuse-db/features-json/border-image":58,"caniuse-db/features-json/border-radius":59,"caniuse-db/features-json/calc":60,"caniuse-db/features-json/css-animation":61,"caniuse-db/features-json/css-boxdecorationbreak":62,"caniuse-db/features-json/css-boxshadow":63,"caniuse-db/features-json/css-crisp-edges":64,"caniuse-db/features-json/css-deviceadaptation":65,"caniuse-db/features-json/css-filters":66,"caniuse-db/features-json/css-gradients":67,"caniuse-db/features-json/css-hyphens":68,"caniuse-db/features-json/css-logical-props":69,"caniuse-db/features-json/css-masks":70,"caniuse-db/features-json/css-media-resolution":71,"caniuse-db/features-json/css-placeholder":72,"caniuse-db/features-json/css-selection":73,"caniuse-db/features-json/css-shapes":74,"caniuse-db/features-json/css-sticky":75,"caniuse-db/features-json/css-text-align-last":76,"caniuse-db/features-json/css-transitions":77,"caniuse-db/features-json/css3-boxsizing":78,"caniuse-db/features-json/css3-cursors-newer":79,"caniuse-db/features-json/css3-tabsize":80,"caniuse-db/features-json/flexbox":81,"caniuse-db/features-json/font-feature":82,"caniuse-db/features-json/fullscreen":83,"caniuse-db/features-json/intrinsic-width":84,"caniuse-db/features-json/multicolumn":85,"caniuse-db/features-json/object-fit":86,"caniuse-db/features-json/pointer":87,"caniuse-db/features-json/text-decoration":88,"caniuse-db/features-json/text-emphasis":89,"caniuse-db/features-json/text-overflow":90,"caniuse-db/features-json/text-size-adjust":91,"caniuse-db/features-json/transforms2d":92,"caniuse-db/features-json/transforms3d":93,"caniuse-db/features-json/user-select-none":94}],4:[function(require,module,exports){
+},{"caniuse-db/features-json/background-img-opts":57,"caniuse-db/features-json/border-image":58,"caniuse-db/features-json/border-radius":59,"caniuse-db/features-json/calc":60,"caniuse-db/features-json/css-animation":61,"caniuse-db/features-json/css-boxdecorationbreak":62,"caniuse-db/features-json/css-boxshadow":63,"caniuse-db/features-json/css-crisp-edges":64,"caniuse-db/features-json/css-deviceadaptation":65,"caniuse-db/features-json/css-filters":66,"caniuse-db/features-json/css-gradients":67,"caniuse-db/features-json/css-hyphens":68,"caniuse-db/features-json/css-logical-props":69,"caniuse-db/features-json/css-masks":70,"caniuse-db/features-json/css-media-resolution":71,"caniuse-db/features-json/css-placeholder":72,"caniuse-db/features-json/css-selection":73,"caniuse-db/features-json/css-shapes":74,"caniuse-db/features-json/css-sticky":75,"caniuse-db/features-json/css-text-align-last":76,"caniuse-db/features-json/css-transitions":77,"caniuse-db/features-json/css3-boxsizing":78,"caniuse-db/features-json/css3-cursors-newer":79,"caniuse-db/features-json/css3-tabsize":80,"caniuse-db/features-json/flexbox":81,"caniuse-db/features-json/font-feature":82,"caniuse-db/features-json/fullscreen":83,"caniuse-db/features-json/intrinsic-width":84,"caniuse-db/features-json/multicolumn":85,"caniuse-db/features-json/object-fit":86,"caniuse-db/features-json/pointer":87,"caniuse-db/features-json/text-decoration":88,"caniuse-db/features-json/text-emphasis":89,"caniuse-db/features-json/text-overflow":90,"caniuse-db/features-json/text-size-adjust":91,"caniuse-db/features-json/transforms2d":92,"caniuse-db/features-json/transforms3d":93,"caniuse-db/features-json/user-select-none":94}],3:[function(require,module,exports){
 (function() {
   var AtRule, Prefixer,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   Prefixer = require('./prefixer');
 
-  AtRule = (function(_super) {
-    __extends(AtRule, _super);
+  AtRule = (function(superClass) {
+    extend(AtRule, superClass);
 
     function AtRule() {
       return AtRule.__super__.constructor.apply(this, arguments);
@@ -548,18 +583,18 @@
     };
 
     AtRule.prototype.process = function(node) {
-      var parent, prefix, _i, _len, _ref, _results;
+      var j, len, parent, prefix, ref, results;
       parent = this.parentPrefix(node);
-      _ref = this.prefixes;
-      _results = [];
-      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-        prefix = _ref[_i];
+      ref = this.prefixes;
+      results = [];
+      for (j = 0, len = ref.length; j < len; j++) {
+        prefix = ref[j];
         if (parent && parent !== prefix) {
           continue;
         }
-        _results.push(this.add(node, prefix));
+        results.push(this.add(node, prefix));
       }
-      return _results;
+      return results;
     };
 
     return AtRule;
@@ -570,7 +605,7 @@
 
 }).call(this);
 
-},{"./prefixer":40}],5:[function(require,module,exports){
+},{"./prefixer":40}],4:[function(require,module,exports){
 (function() {
   var Browsers, browserslist, utils;
 
@@ -584,15 +619,15 @@
       if (this.prefixesCache) {
         return this.prefixesCache;
       }
-      data = require('../data/browsers');
+      data = require('caniuse-db/data').agents;
       return this.prefixesCache = utils.uniq((function() {
-        var _results;
-        _results = [];
+        var results;
+        results = [];
         for (name in data) {
           i = data[name];
-          _results.push(i.prefix);
+          results.push("-" + i.prefix + "-");
         }
-        return _results;
+        return results;
       })()).sort(function(a, b) {
         return b.length - a.length;
       });
@@ -605,27 +640,27 @@
       return this.prefixesRegexp.test(value);
     };
 
-    function Browsers(data, requirements, options) {
-      this.data = data;
+    function Browsers(data1, requirements, options) {
+      this.data = data1;
       this.options = options;
       this.selected = this.parse(requirements);
     }
 
     Browsers.prototype.parse = function(requirements) {
-      var _ref;
+      var ref;
       return browserslist(requirements, {
-        path: (_ref = this.options) != null ? _ref.from : void 0
+        path: (ref = this.options) != null ? ref.from : void 0
       });
     };
 
     Browsers.prototype.browsers = function(criteria) {
-      var browser, data, selected, versions, _ref;
+      var browser, data, ref, selected, versions;
       selected = [];
-      _ref = this.data;
-      for (browser in _ref) {
-        data = _ref[browser];
+      ref = this.data;
+      for (browser in ref) {
+        data = ref[browser];
         versions = criteria(data).map(function(version) {
-          return "" + browser + " " + version;
+          return browser + " " + version;
         });
         selected = selected.concat(versions);
       }
@@ -633,13 +668,14 @@
     };
 
     Browsers.prototype.prefix = function(browser) {
-      var name, version, _ref;
-      _ref = browser.split(' '), name = _ref[0], version = _ref[1];
-      if (name === 'opera' && parseFloat(version) >= 15) {
-        return '-webkit-';
-      } else {
-        return this.data[name].prefix;
+      var data, name, prefix, ref, version;
+      ref = browser.split(' '), name = ref[0], version = ref[1];
+      data = this.data[name];
+      if (data.prefix_exceptions) {
+        prefix = data.prefix_exceptions[version];
       }
+      prefix || (prefix = data.prefix);
+      return '-' + prefix + '-';
     };
 
     Browsers.prototype.isSelected = function(browser) {
@@ -654,11 +690,11 @@
 
 }).call(this);
 
-},{"../data/browsers":2,"./utils":46,"browserslist":55}],6:[function(require,module,exports){
+},{"./utils":46,"browserslist":55,"caniuse-db/data":56}],5:[function(require,module,exports){
 (function() {
   var Browsers, Declaration, Prefixer, utils, vendor,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   Prefixer = require('./prefixer');
 
@@ -668,8 +704,8 @@
 
   utils = require('./utils');
 
-  Declaration = (function(_super) {
-    __extends(Declaration, _super);
+  Declaration = (function(superClass) {
+    extend(Declaration, superClass);
 
     function Declaration() {
       return Declaration.__super__.constructor.apply(this, arguments);
@@ -688,10 +724,10 @@
     };
 
     Declaration.prototype.otherPrefixes = function(value, prefix) {
-      var other, _i, _len, _ref;
-      _ref = Browsers.prefixes();
-      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-        other = _ref[_i];
+      var j, len, other, ref;
+      ref = Browsers.prefixes();
+      for (j = 0, len = ref.length; j < len; j++) {
+        other = ref[j];
         if (other === prefix) {
           continue;
         }
@@ -712,13 +748,13 @@
     };
 
     Declaration.prototype.maxPrefixed = function(prefixes, decl) {
-      var max, prefix, _i, _len;
+      var j, len, max, prefix;
       if (decl._autoprefixerMax) {
         return decl._autoprefixerMax;
       }
       max = 0;
-      for (_i = 0, _len = prefixes.length; _i < _len; _i++) {
-        prefix = prefixes[_i];
+      for (j = 0, len = prefixes.length; j < len; j++) {
+        prefix = prefixes[j];
         prefix = utils.removeNote(prefix);
         if (prefix.length > max) {
           max = prefix.length;
@@ -728,14 +764,14 @@
     };
 
     Declaration.prototype.calcBefore = function(prefixes, decl, prefix) {
-      var before, diff, i, max, _i;
+      var before, diff, i, j, max, ref;
       if (prefix == null) {
         prefix = '';
       }
       before = decl.style('before');
       max = this.maxPrefixed(prefixes, decl);
       diff = max - utils.removeNote(prefix).length;
-      for (i = _i = 0; 0 <= diff ? _i < diff : _i > diff; i = 0 <= diff ? ++_i : --_i) {
+      for (i = j = 0, ref = diff; 0 <= ref ? j < ref : j > ref; i = 0 <= ref ? ++j : --j) {
         before += ' ';
       }
       return before;
@@ -809,18 +845,18 @@
 
 }).call(this);
 
-},{"./browsers":5,"./prefixer":40,"./utils":46,"postcss/lib/vendor":113}],7:[function(require,module,exports){
+},{"./browsers":4,"./prefixer":40,"./utils":46,"postcss/lib/vendor":113}],6:[function(require,module,exports){
 (function() {
   var AlignContent, Declaration, flexSpec,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   flexSpec = require('./flex-spec');
 
   Declaration = require('../declaration');
 
-  AlignContent = (function(_super) {
-    __extends(AlignContent, _super);
+  AlignContent = (function(superClass) {
+    extend(AlignContent, superClass);
 
     function AlignContent() {
       return AlignContent.__super__.constructor.apply(this, arguments);
@@ -836,8 +872,8 @@
     };
 
     AlignContent.prototype.prefixed = function(prop, prefix) {
-      var spec, _ref;
-      _ref = flexSpec(prefix), spec = _ref[0], prefix = _ref[1];
+      var ref, spec;
+      ref = flexSpec(prefix), spec = ref[0], prefix = ref[1];
       if (spec === 2012) {
         return prefix + 'flex-line-pack';
       } else {
@@ -868,18 +904,18 @@
 
 }).call(this);
 
-},{"../declaration":6,"./flex-spec":25}],8:[function(require,module,exports){
+},{"../declaration":5,"./flex-spec":24}],7:[function(require,module,exports){
 (function() {
   var AlignItems, Declaration, flexSpec,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   flexSpec = require('./flex-spec');
 
   Declaration = require('../declaration');
 
-  AlignItems = (function(_super) {
-    __extends(AlignItems, _super);
+  AlignItems = (function(superClass) {
+    extend(AlignItems, superClass);
 
     function AlignItems() {
       return AlignItems.__super__.constructor.apply(this, arguments);
@@ -893,8 +929,8 @@
     };
 
     AlignItems.prototype.prefixed = function(prop, prefix) {
-      var spec, _ref;
-      _ref = flexSpec(prefix), spec = _ref[0], prefix = _ref[1];
+      var ref, spec;
+      ref = flexSpec(prefix), spec = ref[0], prefix = ref[1];
       if (spec === 2009) {
         return prefix + 'box-align';
       } else if (spec === 2012) {
@@ -927,18 +963,18 @@
 
 }).call(this);
 
-},{"../declaration":6,"./flex-spec":25}],9:[function(require,module,exports){
+},{"../declaration":5,"./flex-spec":24}],8:[function(require,module,exports){
 (function() {
   var AlignSelf, Declaration, flexSpec,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   flexSpec = require('./flex-spec');
 
   Declaration = require('../declaration');
 
-  AlignSelf = (function(_super) {
-    __extends(AlignSelf, _super);
+  AlignSelf = (function(superClass) {
+    extend(AlignSelf, superClass);
 
     function AlignSelf() {
       return AlignSelf.__super__.constructor.apply(this, arguments);
@@ -952,8 +988,8 @@
     };
 
     AlignSelf.prototype.prefixed = function(prop, prefix) {
-      var spec, _ref;
-      _ref = flexSpec(prefix), spec = _ref[0], prefix = _ref[1];
+      var ref, spec;
+      ref = flexSpec(prefix), spec = ref[0], prefix = ref[1];
       if (spec === 2012) {
         return prefix + 'flex-item-align';
       } else {
@@ -984,16 +1020,16 @@
 
 }).call(this);
 
-},{"../declaration":6,"./flex-spec":25}],10:[function(require,module,exports){
+},{"../declaration":5,"./flex-spec":24}],9:[function(require,module,exports){
 (function() {
   var BackgroundSize, Declaration,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   Declaration = require('../declaration');
 
-  BackgroundSize = (function(_super) {
-    __extends(BackgroundSize, _super);
+  BackgroundSize = (function(superClass) {
+    extend(BackgroundSize, superClass);
 
     function BackgroundSize() {
       return BackgroundSize.__super__.constructor.apply(this, arguments);
@@ -1018,16 +1054,16 @@
 
 }).call(this);
 
-},{"../declaration":6}],11:[function(require,module,exports){
+},{"../declaration":5}],10:[function(require,module,exports){
 (function() {
   var BlockLogical, Declaration,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   Declaration = require('../declaration');
 
-  BlockLogical = (function(_super) {
-    __extends(BlockLogical, _super);
+  BlockLogical = (function(superClass) {
+    extend(BlockLogical, superClass);
 
     function BlockLogical() {
       return BlockLogical.__super__.constructor.apply(this, arguments);
@@ -1055,16 +1091,16 @@
 
 }).call(this);
 
-},{"../declaration":6}],12:[function(require,module,exports){
+},{"../declaration":5}],11:[function(require,module,exports){
 (function() {
   var BorderImage, Declaration,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   Declaration = require('../declaration');
 
-  BorderImage = (function(_super) {
-    __extends(BorderImage, _super);
+  BorderImage = (function(superClass) {
+    extend(BorderImage, superClass);
 
     function BorderImage() {
       return BorderImage.__super__.constructor.apply(this, arguments);
@@ -1085,18 +1121,18 @@
 
 }).call(this);
 
-},{"../declaration":6}],13:[function(require,module,exports){
+},{"../declaration":5}],12:[function(require,module,exports){
 (function() {
   var BorderRadius, Declaration,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   Declaration = require('../declaration');
 
-  BorderRadius = (function(_super) {
-    var hor, mozilla, normal, ver, _i, _j, _len, _len1, _ref, _ref1;
+  BorderRadius = (function(superClass) {
+    var hor, i, j, len, len1, mozilla, normal, ref, ref1, ver;
 
-    __extends(BorderRadius, _super);
+    extend(BorderRadius, superClass);
 
     function BorderRadius() {
       return BorderRadius.__super__.constructor.apply(this, arguments);
@@ -1108,12 +1144,12 @@
 
     BorderRadius.toNormal = {};
 
-    _ref = ['top', 'bottom'];
-    for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-      ver = _ref[_i];
-      _ref1 = ['left', 'right'];
-      for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
-        hor = _ref1[_j];
+    ref = ['top', 'bottom'];
+    for (i = 0, len = ref.length; i < len; i++) {
+      ver = ref[i];
+      ref1 = ['left', 'right'];
+      for (j = 0, len1 = ref1.length; j < len1; j++) {
+        hor = ref1[j];
         normal = "border-" + ver + "-" + hor + "-radius";
         mozilla = "border-radius-" + ver + hor;
         BorderRadius.names.push(normal);
@@ -1143,16 +1179,16 @@
 
 }).call(this);
 
-},{"../declaration":6}],14:[function(require,module,exports){
+},{"../declaration":5}],13:[function(require,module,exports){
 (function() {
   var BreakInside, Declaration,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   Declaration = require('../declaration');
 
-  BreakInside = (function(_super) {
-    __extends(BreakInside, _super);
+  BreakInside = (function(superClass) {
+    extend(BreakInside, superClass);
 
     function BreakInside() {
       return BreakInside.__super__.constructor.apply(this, arguments);
@@ -1199,16 +1235,16 @@
 
 }).call(this);
 
-},{"../declaration":6}],15:[function(require,module,exports){
+},{"../declaration":5}],14:[function(require,module,exports){
 (function() {
   var CrispEdges, Value,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   Value = require('../value');
 
-  CrispEdges = (function(_super) {
-    __extends(CrispEdges, _super);
+  CrispEdges = (function(superClass) {
+    extend(CrispEdges, superClass);
 
     function CrispEdges() {
       return CrispEdges.__super__.constructor.apply(this, arguments);
@@ -1232,11 +1268,11 @@
 
 }).call(this);
 
-},{"../value":47}],16:[function(require,module,exports){
+},{"../value":47}],15:[function(require,module,exports){
 (function() {
   var DisplayFlex, OldDisplayFlex, OldValue, Value, flexSpec,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   flexSpec = require('./flex-spec');
 
@@ -1244,12 +1280,12 @@
 
   Value = require('../value');
 
-  OldDisplayFlex = (function(_super) {
-    __extends(OldDisplayFlex, _super);
+  OldDisplayFlex = (function(superClass) {
+    extend(OldDisplayFlex, superClass);
 
-    function OldDisplayFlex(unprefixed, prefixed) {
+    function OldDisplayFlex(unprefixed, prefixed1) {
       this.unprefixed = unprefixed;
-      this.prefixed = prefixed;
+      this.prefixed = prefixed1;
     }
 
     OldDisplayFlex.prototype.check = function(value) {
@@ -1260,8 +1296,8 @@
 
   })(OldValue);
 
-  DisplayFlex = (function(_super) {
-    __extends(DisplayFlex, _super);
+  DisplayFlex = (function(superClass) {
+    extend(DisplayFlex, superClass);
 
     DisplayFlex.names = ['display-flex', 'inline-flex'];
 
@@ -1277,8 +1313,8 @@
     };
 
     DisplayFlex.prototype.prefixed = function(prefix) {
-      var spec, _ref;
-      _ref = flexSpec(prefix), spec = _ref[0], prefix = _ref[1];
+      var ref, spec;
+      ref = flexSpec(prefix), spec = ref[0], prefix = ref[1];
       return prefix + (spec === 2009 ? this.name === 'flex' ? 'box' : 'inline-box' : spec === 2012 ? this.name === 'flex' ? 'flexbox' : 'inline-flexbox' : spec === 'final' ? this.name : void 0);
     };
 
@@ -1302,18 +1338,18 @@
 
 }).call(this);
 
-},{"../old-value":39,"../value":47,"./flex-spec":25}],17:[function(require,module,exports){
+},{"../old-value":39,"../value":47,"./flex-spec":24}],16:[function(require,module,exports){
 (function() {
   var FillAvailable, OldValue, Value,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   OldValue = require('../old-value');
 
   Value = require('../value');
 
-  FillAvailable = (function(_super) {
-    __extends(FillAvailable, _super);
+  FillAvailable = (function(superClass) {
+    extend(FillAvailable, superClass);
 
     function FillAvailable() {
       return FillAvailable.__super__.constructor.apply(this, arguments);
@@ -1345,11 +1381,11 @@
 
 }).call(this);
 
-},{"../old-value":39,"../value":47}],18:[function(require,module,exports){
+},{"../old-value":39,"../value":47}],17:[function(require,module,exports){
 (function() {
   var FilterValue, OldFilterValue, OldValue, Value, utils,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   OldValue = require('../old-value');
 
@@ -1357,8 +1393,8 @@
 
   utils = require('../utils');
 
-  OldFilterValue = (function(_super) {
-    __extends(OldFilterValue, _super);
+  OldFilterValue = (function(superClass) {
+    extend(OldFilterValue, superClass);
 
     function OldFilterValue() {
       return OldFilterValue.__super__.constructor.apply(this, arguments);
@@ -1383,8 +1419,8 @@
 
   })(OldValue);
 
-  FilterValue = (function(_super) {
-    __extends(FilterValue, _super);
+  FilterValue = (function(superClass) {
+    extend(FilterValue, superClass);
 
     function FilterValue() {
       return FilterValue.__super__.constructor.apply(this, arguments);
@@ -1416,16 +1452,16 @@
 
 }).call(this);
 
-},{"../old-value":39,"../utils":46,"../value":47}],19:[function(require,module,exports){
+},{"../old-value":39,"../utils":46,"../value":47}],18:[function(require,module,exports){
 (function() {
   var Declaration, Filter,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   Declaration = require('../declaration');
 
-  Filter = (function(_super) {
-    __extends(Filter, _super);
+  Filter = (function(superClass) {
+    extend(Filter, superClass);
 
     function Filter() {
       return Filter.__super__.constructor.apply(this, arguments);
@@ -1447,18 +1483,18 @@
 
 }).call(this);
 
-},{"../declaration":6}],20:[function(require,module,exports){
+},{"../declaration":5}],19:[function(require,module,exports){
 (function() {
   var Declaration, FlexBasis, flexSpec,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   flexSpec = require('./flex-spec');
 
   Declaration = require('../declaration');
 
-  FlexBasis = (function(_super) {
-    __extends(FlexBasis, _super);
+  FlexBasis = (function(superClass) {
+    extend(FlexBasis, superClass);
 
     function FlexBasis() {
       return FlexBasis.__super__.constructor.apply(this, arguments);
@@ -1471,8 +1507,8 @@
     };
 
     FlexBasis.prototype.prefixed = function(prop, prefix) {
-      var spec, _ref;
-      _ref = flexSpec(prefix), spec = _ref[0], prefix = _ref[1];
+      var ref, spec;
+      ref = flexSpec(prefix), spec = ref[0], prefix = ref[1];
       if (spec === 2012) {
         return prefix + 'flex-preferred-size';
       } else {
@@ -1481,8 +1517,8 @@
     };
 
     FlexBasis.prototype.set = function(decl, prefix) {
-      var spec, _ref;
-      _ref = flexSpec(prefix), spec = _ref[0], prefix = _ref[1];
+      var ref, spec;
+      ref = flexSpec(prefix), spec = ref[0], prefix = ref[1];
       if (spec === 2012 || spec === 'final') {
         return FlexBasis.__super__.set.apply(this, arguments);
       }
@@ -1496,18 +1532,18 @@
 
 }).call(this);
 
-},{"../declaration":6,"./flex-spec":25}],21:[function(require,module,exports){
+},{"../declaration":5,"./flex-spec":24}],20:[function(require,module,exports){
 (function() {
   var Declaration, FlexDirection, flexSpec,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   flexSpec = require('./flex-spec');
 
   Declaration = require('../declaration');
 
-  FlexDirection = (function(_super) {
-    __extends(FlexDirection, _super);
+  FlexDirection = (function(superClass) {
+    extend(FlexDirection, superClass);
 
     function FlexDirection() {
       return FlexDirection.__super__.constructor.apply(this, arguments);
@@ -1520,8 +1556,8 @@
     };
 
     FlexDirection.prototype.insert = function(decl, prefix, prefixes) {
-      var already, cloned, dir, orient, spec, value, _ref;
-      _ref = flexSpec(prefix), spec = _ref[0], prefix = _ref[1];
+      var already, cloned, dir, orient, ref, spec, value;
+      ref = flexSpec(prefix), spec = ref[0], prefix = ref[1];
       if (spec === 2009) {
         already = decl.parent.some(function(i) {
           return i.prop === prefix + 'box-orient' || i.prop === prefix + 'box-direction';
@@ -1552,8 +1588,8 @@
     };
 
     FlexDirection.prototype.old = function(prop, prefix) {
-      var spec, _ref;
-      _ref = flexSpec(prefix), spec = _ref[0], prefix = _ref[1];
+      var ref, spec;
+      ref = flexSpec(prefix), spec = ref[0], prefix = ref[1];
       if (spec === 2009) {
         return [prefix + 'box-orient', prefix + 'box-direction'];
       } else {
@@ -1569,18 +1605,18 @@
 
 }).call(this);
 
-},{"../declaration":6,"./flex-spec":25}],22:[function(require,module,exports){
+},{"../declaration":5,"./flex-spec":24}],21:[function(require,module,exports){
 (function() {
   var Declaration, FlexFlow, flexSpec,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   flexSpec = require('./flex-spec');
 
   Declaration = require('../declaration');
 
-  FlexFlow = (function(_super) {
-    __extends(FlexFlow, _super);
+  FlexFlow = (function(superClass) {
+    extend(FlexFlow, superClass);
 
     function FlexFlow() {
       return FlexFlow.__super__.constructor.apply(this, arguments);
@@ -1589,8 +1625,8 @@
     FlexFlow.names = ['flex-flow'];
 
     FlexFlow.prototype.set = function(decl, prefix) {
-      var spec, _ref;
-      _ref = flexSpec(prefix), spec = _ref[0], prefix = _ref[1];
+      var ref, spec;
+      ref = flexSpec(prefix), spec = ref[0], prefix = ref[1];
       if (spec === 2012) {
         return FlexFlow.__super__.set.apply(this, arguments);
       } else if (spec === 'final') {
@@ -1606,18 +1642,18 @@
 
 }).call(this);
 
-},{"../declaration":6,"./flex-spec":25}],23:[function(require,module,exports){
+},{"../declaration":5,"./flex-spec":24}],22:[function(require,module,exports){
 (function() {
   var Declaration, Flex, flexSpec,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   flexSpec = require('./flex-spec');
 
   Declaration = require('../declaration');
 
-  Flex = (function(_super) {
-    __extends(Flex, _super);
+  Flex = (function(superClass) {
+    extend(Flex, superClass);
 
     function Flex() {
       return Flex.__super__.constructor.apply(this, arguments);
@@ -1630,8 +1666,8 @@
     };
 
     Flex.prototype.prefixed = function(prop, prefix) {
-      var spec, _ref;
-      _ref = flexSpec(prefix), spec = _ref[0], prefix = _ref[1];
+      var ref, spec;
+      ref = flexSpec(prefix), spec = ref[0], prefix = ref[1];
       if (spec === 2009) {
         return prefix + 'box-flex';
       } else if (spec === 2012) {
@@ -1649,18 +1685,18 @@
 
 }).call(this);
 
-},{"../declaration":6,"./flex-spec":25}],24:[function(require,module,exports){
+},{"../declaration":5,"./flex-spec":24}],23:[function(require,module,exports){
 (function() {
   var Declaration, FlexShrink, flexSpec,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   flexSpec = require('./flex-spec');
 
   Declaration = require('../declaration');
 
-  FlexShrink = (function(_super) {
-    __extends(FlexShrink, _super);
+  FlexShrink = (function(superClass) {
+    extend(FlexShrink, superClass);
 
     function FlexShrink() {
       return FlexShrink.__super__.constructor.apply(this, arguments);
@@ -1673,8 +1709,8 @@
     };
 
     FlexShrink.prototype.prefixed = function(prop, prefix) {
-      var spec, _ref;
-      _ref = flexSpec(prefix), spec = _ref[0], prefix = _ref[1];
+      var ref, spec;
+      ref = flexSpec(prefix), spec = ref[0], prefix = ref[1];
       if (spec === 2012) {
         return prefix + 'flex-negative';
       } else {
@@ -1683,8 +1719,8 @@
     };
 
     FlexShrink.prototype.set = function(decl, prefix) {
-      var spec, _ref;
-      _ref = flexSpec(prefix), spec = _ref[0], prefix = _ref[1];
+      var ref, spec;
+      ref = flexSpec(prefix), spec = ref[0], prefix = ref[1];
       if (spec === 2012 || spec === 'final') {
         return FlexShrink.__super__.set.apply(this, arguments);
       }
@@ -1698,7 +1734,7 @@
 
 }).call(this);
 
-},{"../declaration":6,"./flex-spec":25}],25:[function(require,module,exports){
+},{"../declaration":5,"./flex-spec":24}],24:[function(require,module,exports){
 (function() {
   module.exports = function(prefix) {
     var spec;
@@ -1711,18 +1747,18 @@
 
 }).call(this);
 
-},{}],26:[function(require,module,exports){
+},{}],25:[function(require,module,exports){
 (function() {
   var FlexValues, OldValue, Value,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   OldValue = require('../old-value');
 
   Value = require('../value');
 
-  FlexValues = (function(_super) {
-    __extends(FlexValues, _super);
+  FlexValues = (function(superClass) {
+    extend(FlexValues, superClass);
 
     function FlexValues() {
       return FlexValues.__super__.constructor.apply(this, arguments);
@@ -1750,18 +1786,18 @@
 
 }).call(this);
 
-},{"../old-value":39,"../value":47}],27:[function(require,module,exports){
+},{"../old-value":39,"../value":47}],26:[function(require,module,exports){
 (function() {
   var Declaration, FlexWrap, flexSpec,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   flexSpec = require('./flex-spec');
 
   Declaration = require('../declaration');
 
-  FlexWrap = (function(_super) {
-    __extends(FlexWrap, _super);
+  FlexWrap = (function(superClass) {
+    extend(FlexWrap, superClass);
 
     function FlexWrap() {
       return FlexWrap.__super__.constructor.apply(this, arguments);
@@ -1785,18 +1821,20 @@
 
 }).call(this);
 
-},{"../declaration":6,"./flex-spec":25}],28:[function(require,module,exports){
+},{"../declaration":5,"./flex-spec":24}],27:[function(require,module,exports){
 (function() {
-  var Declaration, Flex, flexSpec,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+  var Declaration, Flex, flexSpec, list,
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   flexSpec = require('./flex-spec');
 
   Declaration = require('../declaration');
 
-  Flex = (function(_super) {
-    __extends(Flex, _super);
+  list = require('postcss/lib/list');
+
+  Flex = (function(superClass) {
+    extend(Flex, superClass);
 
     function Flex() {
       return Flex.__super__.constructor.apply(this, arguments);
@@ -1810,8 +1848,8 @@
     };
 
     Flex.prototype.prefixed = function(prop, prefix) {
-      var spec, _ref;
-      _ref = flexSpec(prefix), spec = _ref[0], prefix = _ref[1];
+      var ref, spec;
+      ref = flexSpec(prefix), spec = ref[0], prefix = ref[1];
       if (spec === 2009) {
         return prefix + 'box-flex';
       } else {
@@ -1827,7 +1865,7 @@
       var spec;
       spec = flexSpec(prefix)[0];
       if (spec === 2009) {
-        decl.value = decl.value.split(' ')[0];
+        decl.value = list.space(decl.value)[0];
         decl.value = Flex.oldValues[decl.value] || decl.value;
         return Flex.__super__.set.call(this, decl, prefix);
       } else {
@@ -1843,16 +1881,16 @@
 
 }).call(this);
 
-},{"../declaration":6,"./flex-spec":25}],29:[function(require,module,exports){
+},{"../declaration":5,"./flex-spec":24,"postcss/lib/list":102}],28:[function(require,module,exports){
 (function() {
   var Fullscreen, Selector,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   Selector = require('../selector');
 
-  Fullscreen = (function(_super) {
-    __extends(Fullscreen, _super);
+  Fullscreen = (function(superClass) {
+    extend(Fullscreen, superClass);
 
     function Fullscreen() {
       return Fullscreen.__super__.constructor.apply(this, arguments);
@@ -1878,11 +1916,11 @@
 
 }).call(this);
 
-},{"../selector":44}],30:[function(require,module,exports){
+},{"../selector":44}],29:[function(require,module,exports){
 (function() {
   var Gradient, OldValue, Value, isDirection, list, utils,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   OldValue = require('../old-value');
 
@@ -1894,8 +1932,8 @@
 
   isDirection = /top|left|right|bottom/gi;
 
-  Gradient = (function(_super) {
-    __extends(Gradient, _super);
+  Gradient = (function(superClass) {
+    extend(Gradient, superClass);
 
     function Gradient() {
       return Gradient.__super__.constructor.apply(this, arguments);
@@ -1916,9 +1954,7 @@
           params = list.comma(args);
           params = _this.newDirection(params);
           if (prefix === '-webkit- old') {
-            if (args.indexOf('px') === -1) {
-              return _this.oldWebkit(value, args, params, after);
-            }
+            return _this.oldWebkit(value, args, params, after);
           } else {
             _this.convertDirection(params);
             return prefix + _this.name + '(' + params.join(', ') + ')' + after;
@@ -1955,13 +1991,13 @@
       if (first.indexOf('to ') === -1 && isDirection.test(first)) {
         first = first.split(' ');
         first = (function() {
-          var _i, _len, _results;
-          _results = [];
-          for (_i = 0, _len = first.length; _i < _len; _i++) {
-            value = first[_i];
-            _results.push(this.directions[value.toLowerCase()] || value);
+          var j, len, results;
+          results = [];
+          for (j = 0, len = first.length; j < len; j++) {
+            value = first[j];
+            results.push(this.directions[value.toLowerCase()] || value);
           }
-          return _results;
+          return results;
         }).call(this);
         params[0] = 'to ' + first.join(' ');
       }
@@ -1969,6 +2005,9 @@
     };
 
     Gradient.prototype.oldWebkit = function(value, args, params, after) {
+      if (args.indexOf('px') !== -1) {
+        return value;
+      }
       if (this.name !== 'linear-gradient') {
         return value;
       }
@@ -2003,13 +2042,13 @@
       param = param.split(' ');
       param.splice(0, 1);
       param = (function() {
-        var _i, _len, _results;
-        _results = [];
-        for (_i = 0, _len = param.length; _i < _len; _i++) {
-          value = param[_i];
-          _results.push(this.directions[value.toLowerCase()] || value);
+        var j, len, results;
+        results = [];
+        for (j = 0, len = param.length; j < len; j++) {
+          value = param[j];
+          results.push(this.directions[value.toLowerCase()] || value);
         }
-        return _results;
+        return results;
       }).call(this);
       return param.join(' ');
     };
@@ -2022,7 +2061,7 @@
       param = parseFloat(param);
       param = Math.abs(450 - param) % 360;
       param = this.roundFloat(param, 3);
-      return "" + param + "deg";
+      return param + "deg";
     };
 
     Gradient.prototype.oldDirection = function(params) {
@@ -2043,11 +2082,11 @@
 
     Gradient.prototype.colorStops = function(params) {
       return params.map(function(param, i) {
-        var color, match, position, _ref;
+        var color, match, position, ref;
         if (i === 0) {
           return param;
         }
-        _ref = list.space(param), color = _ref[0], position = _ref[1];
+        ref = list.space(param), color = ref[0], position = ref[1];
         if (position == null) {
           match = param.match(/^(.*\))(\d.*)$/);
           if (match) {
@@ -2090,9 +2129,13 @@
     };
 
     Gradient.prototype.add = function(decl, prefix) {
-      var prop;
-      prop = decl.prop;
-      if (prop === 'list-style' || prop === 'list-style-image' || prop === 'content') {
+      var p;
+      p = decl.prop;
+      if (p.indexOf('mask') !== -1) {
+        if (prefix === '-webkit-' || prefix === '-webkit- old') {
+          return Gradient.__super__.add.apply(this, arguments);
+        }
+      } else if (p === 'list-style' || p === 'list-style-image' || p === 'content') {
         if (prefix === '-webkit-' || prefix === '-webkit- old') {
           return Gradient.__super__.add.apply(this, arguments);
         }
@@ -2109,16 +2152,67 @@
 
 }).call(this);
 
-},{"../old-value":39,"../utils":46,"../value":47,"postcss/lib/list":102}],31:[function(require,module,exports){
+},{"../old-value":39,"../utils":46,"../value":47,"postcss/lib/list":102}],30:[function(require,module,exports){
 (function() {
-  var Declaration, InlineLogical,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+  var Declaration, ImageRendering,
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   Declaration = require('../declaration');
 
-  InlineLogical = (function(_super) {
-    __extends(InlineLogical, _super);
+  ImageRendering = (function(superClass) {
+    extend(ImageRendering, superClass);
+
+    function ImageRendering() {
+      return ImageRendering.__super__.constructor.apply(this, arguments);
+    }
+
+    ImageRendering.names = ['image-rendering', 'interpolation-mode'];
+
+    ImageRendering.prototype.check = function(decl) {
+      return decl.value === 'crisp-edges';
+    };
+
+    ImageRendering.prototype.prefixed = function(prop, prefix) {
+      if (prefix === '-ms-') {
+        return '-ms-interpolation-mode';
+      } else {
+        return ImageRendering.__super__.prefixed.apply(this, arguments);
+      }
+    };
+
+    ImageRendering.prototype.set = function(decl, prefix) {
+      if (prefix === '-ms-') {
+        decl.prop = '-ms-interpolation-mode';
+        decl.value = 'nearest-neighbor';
+        return decl;
+      } else {
+        return ImageRendering.__super__.set.apply(this, arguments);
+      }
+    };
+
+    ImageRendering.prototype.normalize = function(prop) {
+      return 'image-rendering';
+    };
+
+    return ImageRendering;
+
+  })(Declaration);
+
+  module.exports = ImageRendering;
+
+}).call(this);
+
+},{"../declaration":5}],31:[function(require,module,exports){
+(function() {
+  var Declaration, InlineLogical,
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
+
+  Declaration = require('../declaration');
+
+  InlineLogical = (function(superClass) {
+    extend(InlineLogical, superClass);
 
     function InlineLogical() {
       return InlineLogical.__super__.constructor.apply(this, arguments);
@@ -2142,18 +2236,18 @@
 
 }).call(this);
 
-},{"../declaration":6}],32:[function(require,module,exports){
+},{"../declaration":5}],32:[function(require,module,exports){
 (function() {
   var Declaration, JustifyContent, flexSpec,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   flexSpec = require('./flex-spec');
 
   Declaration = require('../declaration');
 
-  JustifyContent = (function(_super) {
-    __extends(JustifyContent, _super);
+  JustifyContent = (function(superClass) {
+    extend(JustifyContent, superClass);
 
     function JustifyContent() {
       return JustifyContent.__super__.constructor.apply(this, arguments);
@@ -2169,8 +2263,8 @@
     };
 
     JustifyContent.prototype.prefixed = function(prop, prefix) {
-      var spec, _ref;
-      _ref = flexSpec(prefix), spec = _ref[0], prefix = _ref[1];
+      var ref, spec;
+      ref = flexSpec(prefix), spec = ref[0], prefix = ref[1];
       if (spec === 2009) {
         return prefix + 'box-pack';
       } else if (spec === 2012) {
@@ -2206,18 +2300,18 @@
 
 }).call(this);
 
-},{"../declaration":6,"./flex-spec":25}],33:[function(require,module,exports){
+},{"../declaration":5,"./flex-spec":24}],33:[function(require,module,exports){
 (function() {
   var Declaration, Order, flexSpec,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   flexSpec = require('./flex-spec');
 
   Declaration = require('../declaration');
 
-  Order = (function(_super) {
-    __extends(Order, _super);
+  Order = (function(superClass) {
+    extend(Order, superClass);
 
     function Order() {
       return Order.__super__.constructor.apply(this, arguments);
@@ -2226,8 +2320,8 @@
     Order.names = ['order', 'flex-order', 'box-ordinal-group'];
 
     Order.prototype.prefixed = function(prop, prefix) {
-      var spec, _ref;
-      _ref = flexSpec(prefix), spec = _ref[0], prefix = _ref[1];
+      var ref, spec;
+      ref = flexSpec(prefix), spec = ref[0], prefix = ref[1];
       if (spec === 2009) {
         return prefix + 'box-ordinal-group';
       } else if (spec === 2012) {
@@ -2260,22 +2354,22 @@
 
 }).call(this);
 
-},{"../declaration":6,"./flex-spec":25}],34:[function(require,module,exports){
+},{"../declaration":5,"./flex-spec":24}],34:[function(require,module,exports){
 (function() {
   var Placeholder, Selector,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   Selector = require('../selector');
 
-  Placeholder = (function(_super) {
-    __extends(Placeholder, _super);
+  Placeholder = (function(superClass) {
+    extend(Placeholder, superClass);
 
     function Placeholder() {
       return Placeholder.__super__.constructor.apply(this, arguments);
     }
 
-    Placeholder.names = ['::placeholder'];
+    Placeholder.names = [':placeholder-shown', '::placeholder'];
 
     Placeholder.prototype.possible = function() {
       return Placeholder.__super__.possible.apply(this, arguments).concat('-moz- old');
@@ -2304,13 +2398,13 @@
 },{"../selector":44}],35:[function(require,module,exports){
 (function() {
   var Declaration, TransformDecl,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   Declaration = require('../declaration');
 
-  TransformDecl = (function(_super) {
-    __extends(TransformDecl, _super);
+  TransformDecl = (function(superClass) {
+    extend(TransformDecl, superClass);
 
     function TransformDecl() {
       return TransformDecl.__super__.constructor.apply(this, arguments);
@@ -2333,14 +2427,14 @@
     };
 
     TransformDecl.prototype.contain3d = function(decl) {
-      var func, _i, _len, _ref;
+      var func, i, len, ref;
       if (decl.prop === 'transform-origin') {
         return false;
       }
-      _ref = TransformDecl.functions3d;
-      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-        func = _ref[_i];
-        if (decl.value.indexOf("" + func + "(") !== -1) {
+      ref = TransformDecl.functions3d;
+      for (i = 0, len = ref.length; i < len; i++) {
+        func = ref[i];
+        if (decl.value.indexOf(func + "(") !== -1) {
           return true;
         }
       }
@@ -2369,16 +2463,16 @@
 
 }).call(this);
 
-},{"../declaration":6}],36:[function(require,module,exports){
+},{"../declaration":5}],36:[function(require,module,exports){
 (function() {
   var TransformValue, Value,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   Value = require('../value');
 
-  TransformValue = (function(_super) {
-    __extends(TransformValue, _super);
+  TransformValue = (function(superClass) {
+    extend(TransformValue, superClass);
 
     function TransformValue() {
       return TransformValue.__super__.constructor.apply(this, arguments);
@@ -2432,15 +2526,15 @@
   };
 
   module.exports = function(prefixes) {
-    var atrules, browser, data, list, name, needTransition, out, props, selector, selectors, string, transitionProp, useTransition, value, values, version, versions, _i, _j, _k, _len, _len1, _len2, _ref, _ref1, _ref2, _ref3, _ref4, _ref5, _ref6;
+    var atrules, browser, data, j, k, l, len, len1, len2, list, name, needTransition, out, props, ref, ref1, ref2, ref3, ref4, ref5, ref6, selector, selectors, string, transitionProp, useTransition, value, values, version, versions;
     if (prefixes.browsers.selected.length === 0) {
       return "No browsers selected";
     }
     versions = [];
-    _ref = prefixes.browsers.selected;
-    for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-      browser = _ref[_i];
-      _ref1 = browser.split(' '), name = _ref1[0], version = _ref1[1];
+    ref = prefixes.browsers.selected;
+    for (j = 0, len = ref.length; j < len; j++) {
+      browser = ref[j];
+      ref1 = browser.split(' '), name = ref1[0], version = ref1[1];
       name = names[name] || capitalize(name);
       if (versions[name]) {
         versions[name].push(version);
@@ -2457,9 +2551,9 @@
       out += '  ' + browser + ': ' + list.join(', ') + "\n";
     }
     atrules = '';
-    _ref2 = prefixes.add;
-    for (name in _ref2) {
-      data = _ref2[name];
+    ref2 = prefixes.add;
+    for (name in ref2) {
+      data = ref2[name];
       if (name[0] === '@' && data.prefixes) {
         atrules += prefix(name, false, data.prefixes);
       }
@@ -2468,9 +2562,9 @@
       out += "\nAt-Rules:\n" + atrules;
     }
     selectors = '';
-    _ref3 = prefixes.add.selectors;
-    for (_j = 0, _len1 = _ref3.length; _j < _len1; _j++) {
-      selector = _ref3[_j];
+    ref3 = prefixes.add.selectors;
+    for (k = 0, len1 = ref3.length; k < len1; k++) {
+      selector = ref3[k];
       if (selector.prefixes) {
         selectors += prefix(selector.name, false, selector.prefixes);
       }
@@ -2481,10 +2575,10 @@
     values = '';
     props = '';
     useTransition = false;
-    needTransition = (_ref4 = prefixes.add.transition) != null ? _ref4.prefixes : void 0;
-    _ref5 = prefixes.add;
-    for (name in _ref5) {
-      data = _ref5[name];
+    needTransition = (ref4 = prefixes.add.transition) != null ? ref4.prefixes : void 0;
+    ref5 = prefixes.add;
+    for (name in ref5) {
+      data = ref5[name];
       if (name[0] !== '@' && data.prefixes) {
         transitionProp = needTransition && prefixes.data[name].transition;
         if (transitionProp) {
@@ -2500,9 +2594,9 @@
       })) {
         continue;
       }
-      _ref6 = data.values;
-      for (_k = 0, _len2 = _ref6.length; _k < _len2; _k++) {
-        value = _ref6[_k];
+      ref6 = data.values;
+      for (l = 0, len2 = ref6.length; l < len2; l++) {
+        value = ref6[l];
         string = prefix(value.name, false, value.prefixes);
         if (values.indexOf(string) === -1) {
           values += string;
@@ -2531,15 +2625,15 @@
   var OldSelector;
 
   OldSelector = (function() {
-    function OldSelector(selector, prefix) {
-      var _i, _len, _ref;
-      this.prefix = prefix;
+    function OldSelector(selector, prefix1) {
+      var i, len, prefix, ref;
+      this.prefix = prefix1;
       this.prefixed = selector.prefixed(this.prefix);
       this.regexp = selector.regexp(this.prefix);
       this.prefixeds = [];
-      _ref = selector.possible();
-      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-        prefix = _ref[_i];
+      ref = selector.possible();
+      for (i = 0, len = ref.length; i < len; i++) {
+        prefix = ref[i];
         this.prefixeds.push([selector.prefixed(prefix), selector.regexp(prefix)]);
       }
       this.unprefixed = selector.name;
@@ -2547,7 +2641,7 @@
     }
 
     OldSelector.prototype.isHack = function(rule) {
-      var before, index, regexp, rules, some, string, _i, _len, _ref, _ref1;
+      var before, i, index, len, ref, ref1, regexp, rules, some, string;
       index = rule.parent.index(rule) + 1;
       rules = rule.parent.nodes;
       while (index < rules.length) {
@@ -2559,9 +2653,9 @@
           return false;
         }
         some = false;
-        _ref = this.prefixeds;
-        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-          _ref1 = _ref[_i], string = _ref1[0], regexp = _ref1[1];
+        ref = this.prefixeds;
+        for (i = 0, len = ref.length; i < len; i++) {
+          ref1 = ref[i], string = ref1[0], regexp = ref1[1];
           if (before.indexOf(string) !== -1 && before.match(regexp)) {
             some = true;
             break;
@@ -2631,7 +2725,7 @@
 },{"./utils":46}],40:[function(require,module,exports){
 (function() {
   var Browsers, Prefixer, clone, utils, vendor,
-    __hasProp = {}.hasOwnProperty;
+    hasProp = {}.hasOwnProperty;
 
   Browsers = require('./browsers');
 
@@ -2646,7 +2740,7 @@
     }
     cloned = new obj.constructor();
     for (i in obj) {
-      if (!__hasProp.call(obj, i)) continue;
+      if (!hasProp.call(obj, i)) continue;
       value = obj[i];
       if (i === 'parent' && typeof value === 'object') {
         if (parent) {
@@ -2667,20 +2761,20 @@
 
   Prefixer = (function() {
     Prefixer.hack = function(klass) {
-      var name, _i, _len, _ref, _results;
+      var j, len, name, ref, results;
       this.hacks || (this.hacks = {});
-      _ref = klass.names;
-      _results = [];
-      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-        name = _ref[_i];
-        _results.push(this.hacks[name] = klass);
+      ref = klass.names;
+      results = [];
+      for (j = 0, len = ref.length; j < len; j++) {
+        name = ref[j];
+        results.push(this.hacks[name] = klass);
       }
-      return _results;
+      return results;
     };
 
     Prefixer.load = function(name, prefixes, all) {
-      var klass, _ref;
-      klass = (_ref = this.hacks) != null ? _ref[name] : void 0;
+      var klass, ref;
+      klass = (ref = this.hacks) != null ? ref[name] : void 0;
       if (klass) {
         return new klass(name, prefixes, all);
       } else {
@@ -2697,10 +2791,10 @@
       return cloned;
     };
 
-    function Prefixer(name, prefixes, all) {
-      this.name = name;
-      this.prefixes = prefixes;
-      this.all = all;
+    function Prefixer(name1, prefixes1, all1) {
+      this.name = name1;
+      this.prefixes = prefixes1;
+      this.all = all1;
     }
 
     Prefixer.prototype.parentPrefix = function(node) {
@@ -2713,23 +2807,23 @@
     };
 
     Prefixer.prototype.process = function(node) {
-      var added, parent, prefix, prefixes, _i, _j, _len, _len1, _ref;
+      var added, j, k, len, len1, parent, prefix, prefixes, ref;
       if (!this.check(node)) {
         return;
       }
       parent = this.parentPrefix(node);
       prefixes = [];
-      _ref = this.prefixes;
-      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-        prefix = _ref[_i];
+      ref = this.prefixes;
+      for (j = 0, len = ref.length; j < len; j++) {
+        prefix = ref[j];
         if (parent && parent !== utils.removeNote(prefix)) {
           continue;
         }
         prefixes.push(prefix);
       }
       added = [];
-      for (_j = 0, _len1 = prefixes.length; _j < _len1; _j++) {
-        prefix = prefixes[_j];
+      for (k = 0, len1 = prefixes.length; k < len1; k++) {
+        prefix = prefixes[k];
         if (this.add(node, prefix, added.concat([prefix]))) {
           added.push(prefix);
         }
@@ -2749,7 +2843,7 @@
 
 }).call(this);
 
-},{"./browsers":5,"./utils":46,"postcss/lib/vendor":113}],41:[function(require,module,exports){
+},{"./browsers":4,"./utils":46,"postcss/lib/vendor":113}],41:[function(require,module,exports){
 (function() {
   var AtRule, Browsers, Declaration, Prefixes, Processor, Resolution, Selector, Supports, Value, declsCache, utils, vendor;
 
@@ -2813,6 +2907,8 @@
 
   Declaration.hack(require('./hacks/flex-direction'));
 
+  Declaration.hack(require('./hacks/image-rendering'));
+
   Declaration.hack(require('./hacks/justify-content'));
 
   Declaration.hack(require('./hacks/background-size'));
@@ -2834,12 +2930,12 @@
   declsCache = {};
 
   Prefixes = (function() {
-    function Prefixes(data, browsers, options) {
-      var _ref;
-      this.data = data;
+    function Prefixes(data1, browsers, options) {
+      var ref;
+      this.data = data1;
       this.browsers = browsers;
       this.options = options != null ? options : {};
-      _ref = this.preprocess(this.select(this.data)), this.add = _ref[0], this.remove = _ref[1];
+      ref = this.preprocess(this.select(this.data)), this.add = ref[0], this.remove = ref[1];
       this.processor = new Processor(this);
     }
 
@@ -2936,14 +3032,14 @@
     };
 
     Prefixes.prototype.preprocess = function(selected) {
-      var add, name, old, olds, prefix, prefixed, prefixes, prop, props, remove, selector, value, values, _i, _j, _k, _l, _len, _len1, _len2, _len3, _len4, _len5, _len6, _m, _n, _o, _ref, _ref1, _ref2;
+      var add, j, k, l, len, len1, len2, len3, len4, len5, len6, m, n, name, o, old, olds, p, prefix, prefixed, prefixes, prop, props, ref, ref1, ref2, remove, selector, value, values;
       add = {
         selectors: [],
         '@supports': new Supports(this)
       };
-      _ref = selected.add;
-      for (name in _ref) {
-        prefixes = _ref[name];
+      ref = selected.add;
+      for (name in ref) {
+        prefixes = ref[name];
         if (name === '@keyframes' || name === '@viewport') {
           add[name] = new AtRule(name, prefixes, this);
         } else if (name === '@resolution') {
@@ -2954,8 +3050,8 @@
           props = this.data[name].transition ? this.transitionProps : this.data[name].props;
           if (props) {
             value = Value.load(name, prefixes, this);
-            for (_i = 0, _len = props.length; _i < _len; _i++) {
-              prop = props[_i];
+            for (j = 0, len = props.length; j < len; j++) {
+              prop = props[j];
               if (!add[prop]) {
                 add[prop] = {
                   values: []
@@ -2965,7 +3061,7 @@
             }
           }
           if (!this.data[name].props) {
-            values = ((_ref1 = add[name]) != null ? _ref1.values : void 0) || [];
+            values = ((ref1 = add[name]) != null ? ref1.values : void 0) || [];
             add[name] = Declaration.load(name, prefixes, this);
             add[name].values = values;
           }
@@ -2974,18 +3070,18 @@
       remove = {
         selectors: []
       };
-      _ref2 = selected.remove;
-      for (name in _ref2) {
-        prefixes = _ref2[name];
+      ref2 = selected.remove;
+      for (name in ref2) {
+        prefixes = ref2[name];
         if (this.data[name].selector) {
           selector = Selector.load(name, prefixes);
-          for (_j = 0, _len1 = prefixes.length; _j < _len1; _j++) {
-            prefix = prefixes[_j];
+          for (k = 0, len1 = prefixes.length; k < len1; k++) {
+            prefix = prefixes[k];
             remove.selectors.push(selector.old(prefix));
           }
         } else if (name === '@keyframes' || name === '@viewport') {
-          for (_k = 0, _len2 = prefixes.length; _k < _len2; _k++) {
-            prefix = prefixes[_k];
+          for (l = 0, len2 = prefixes.length; l < len2; l++) {
+            prefix = prefixes[l];
             prefixed = '@' + prefix + name.slice(1);
             remove[prefixed] = {
               remove: true
@@ -2997,12 +3093,12 @@
           props = this.data[name].transition ? this.transitionProps : this.data[name].props;
           if (props) {
             value = Value.load(name, [], this);
-            for (_l = 0, _len3 = prefixes.length; _l < _len3; _l++) {
-              prefix = prefixes[_l];
+            for (m = 0, len3 = prefixes.length; m < len3; m++) {
+              prefix = prefixes[m];
               old = value.old(prefix);
               if (old) {
-                for (_m = 0, _len4 = props.length; _m < _len4; _m++) {
-                  prop = props[_m];
+                for (n = 0, len4 = props.length; n < len4; n++) {
+                  prop = props[n];
                   if (!remove[prop]) {
                     remove[prop] = {};
                   }
@@ -3015,12 +3111,12 @@
             }
           }
           if (!this.data[name].props) {
-            for (_n = 0, _len5 = prefixes.length; _n < _len5; _n++) {
-              prefix = prefixes[_n];
+            for (o = 0, len5 = prefixes.length; o < len5; o++) {
+              prefix = prefixes[o];
               prop = vendor.unprefixed(name);
               olds = this.decl(name).old(name, prefix);
-              for (_o = 0, _len6 = olds.length; _o < _len6; _o++) {
-                prefixed = olds[_o];
+              for (p = 0, len6 = olds.length; p < len6; p++) {
+                prefixed = olds[p];
                 if (!remove[prefixed]) {
                   remove[prefixed] = {};
                 }
@@ -3054,10 +3150,10 @@
     };
 
     Prefixes.prototype.values = function(type, prop) {
-      var data, global, values, _ref, _ref1;
+      var data, global, ref, ref1, values;
       data = this[type];
-      global = (_ref = data['*']) != null ? _ref.values : void 0;
-      values = (_ref1 = data[prop]) != null ? _ref1.values : void 0;
+      global = (ref = data['*']) != null ? ref.values : void 0;
+      values = (ref1 = data[prop]) != null ? ref1.values : void 0;
       if (global && values) {
         return utils.uniq(global.concat(values));
       } else {
@@ -3117,7 +3213,7 @@
 
 }).call(this);
 
-},{"./at-rule":4,"./browsers":5,"./declaration":6,"./hacks/align-content":7,"./hacks/align-items":8,"./hacks/align-self":9,"./hacks/background-size":10,"./hacks/block-logical":11,"./hacks/border-image":12,"./hacks/border-radius":13,"./hacks/break-inside":14,"./hacks/crisp-edges":15,"./hacks/display-flex":16,"./hacks/fill-available":17,"./hacks/filter":19,"./hacks/filter-value":18,"./hacks/flex":28,"./hacks/flex-basis":20,"./hacks/flex-direction":21,"./hacks/flex-flow":22,"./hacks/flex-grow":23,"./hacks/flex-shrink":24,"./hacks/flex-values":26,"./hacks/flex-wrap":27,"./hacks/fullscreen":29,"./hacks/gradient":30,"./hacks/inline-logical":31,"./hacks/justify-content":32,"./hacks/order":33,"./hacks/placeholder":34,"./hacks/transform-decl":35,"./hacks/transform-value":36,"./processor":42,"./resolution":43,"./selector":44,"./supports":45,"./utils":46,"./value":47,"postcss/lib/vendor":113}],42:[function(require,module,exports){
+},{"./at-rule":3,"./browsers":4,"./declaration":5,"./hacks/align-content":6,"./hacks/align-items":7,"./hacks/align-self":8,"./hacks/background-size":9,"./hacks/block-logical":10,"./hacks/border-image":11,"./hacks/border-radius":12,"./hacks/break-inside":13,"./hacks/crisp-edges":14,"./hacks/display-flex":15,"./hacks/fill-available":16,"./hacks/filter":18,"./hacks/filter-value":17,"./hacks/flex":27,"./hacks/flex-basis":19,"./hacks/flex-direction":20,"./hacks/flex-flow":21,"./hacks/flex-grow":22,"./hacks/flex-shrink":23,"./hacks/flex-values":25,"./hacks/flex-wrap":26,"./hacks/fullscreen":28,"./hacks/gradient":29,"./hacks/image-rendering":30,"./hacks/inline-logical":31,"./hacks/justify-content":32,"./hacks/order":33,"./hacks/placeholder":34,"./hacks/transform-decl":35,"./hacks/transform-value":36,"./processor":42,"./resolution":43,"./selector":44,"./supports":45,"./utils":46,"./value":47,"postcss/lib/vendor":113}],42:[function(require,module,exports){
 (function() {
   var Processor, Value, utils, vendor;
 
@@ -3161,17 +3257,17 @@
       })(this));
       css.eachRule((function(_this) {
         return function(rule) {
-          var selector, _i, _len, _ref, _results;
+          var j, len, ref, results, selector;
           if (_this.disabled(rule)) {
             return;
           }
-          _ref = _this.prefixes.add.selectors;
-          _results = [];
-          for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-            selector = _ref[_i];
-            _results.push(selector.process(rule));
+          ref = _this.prefixes.add.selectors;
+          results = [];
+          for (j = 0, len = ref.length; j < len; j++) {
+            selector = ref[j];
+            results.push(selector.process(rule));
           }
-          return _results;
+          return results;
         };
       })(this));
       css.eachDecl((function(_this) {
@@ -3187,14 +3283,14 @@
       })(this));
       return css.eachDecl((function(_this) {
         return function(decl) {
-          var unprefixed, value, _i, _len, _ref;
+          var j, len, ref, unprefixed, value;
           if (_this.disabled(decl)) {
             return;
           }
           unprefixed = _this.prefixes.unprefixed(decl.prop);
-          _ref = _this.prefixes.values('add', unprefixed);
-          for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-            value = _ref[_i];
+          ref = _this.prefixes.values('add', unprefixed);
+          for (j = 0, len = ref.length; j < len; j++) {
+            value = ref[j];
             value.process(decl);
           }
           return Value.save(_this.prefixes, decl);
@@ -3203,7 +3299,7 @@
     };
 
     Processor.prototype.remove = function(css) {
-      var checker, resolution, _i, _len, _ref;
+      var checker, j, len, ref, resolution;
       resolution = this.prefixes.remove['@resolution'];
       css.eachAtRule((function(_this) {
         return function(rule, i) {
@@ -3216,9 +3312,9 @@
           }
         };
       })(this));
-      _ref = this.prefixes.remove.selectors;
-      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-        checker = _ref[_i];
+      ref = this.prefixes.remove.selectors;
+      for (j = 0, len = ref.length; j < len; j++) {
+        checker = ref[j];
         css.eachRule((function(_this) {
           return function(rule, i) {
             if (checker.check(rule)) {
@@ -3231,13 +3327,13 @@
       }
       return css.eachDecl((function(_this) {
         return function(decl, i) {
-          var notHack, rule, unprefixed, _j, _len1, _ref1, _ref2;
+          var k, len1, notHack, ref1, ref2, rule, unprefixed;
           if (_this.disabled(decl)) {
             return;
           }
           rule = decl.parent;
           unprefixed = _this.prefixes.unprefixed(decl.prop);
-          if ((_ref1 = _this.prefixes.remove[decl.prop]) != null ? _ref1.remove : void 0) {
+          if ((ref1 = _this.prefixes.remove[decl.prop]) != null ? ref1.remove : void 0) {
             notHack = _this.prefixes.group(decl).down(function(other) {
               return other.prop === unprefixed;
             });
@@ -3249,9 +3345,9 @@
               return;
             }
           }
-          _ref2 = _this.prefixes.values('remove', unprefixed);
-          for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) {
-            checker = _ref2[_j];
+          ref2 = _this.prefixes.values('remove', unprefixed);
+          for (k = 0, len1 = ref2.length; k < len1; k++) {
+            checker = ref2[k];
             if (checker.check(decl.value)) {
               unprefixed = checker.unprefixed;
               notHack = _this.prefixes.group(decl).down(function(other) {
@@ -3335,8 +3431,8 @@
 },{"./utils":46,"./value":47,"postcss/lib/vendor":113}],43:[function(require,module,exports){
 (function() {
   var Prefixer, Resolution, n2f, regexp, split, utils,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   Prefixer = require('./prefixer');
 
@@ -3348,8 +3444,8 @@
 
   split = /(min|max)-resolution(\s*:\s*)(\d*\.?\d+)(dppx|dpi)/i;
 
-  Resolution = (function(_super) {
-    __extends(Resolution, _super);
+  Resolution = (function(superClass) {
+    extend(Resolution, superClass);
 
     function Resolution() {
       return Resolution.__super__.constructor.apply(this, arguments);
@@ -3370,12 +3466,12 @@
     };
 
     Resolution.prototype.clean = function(rule) {
-      var prefix, _i, _len, _ref;
+      var j, len, prefix, ref;
       if (!this.bad) {
         this.bad = [];
-        _ref = this.prefixes;
-        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-          prefix = _ref[_i];
+        ref = this.prefixes;
+        for (j = 0, len = ref.length; j < len; j++) {
+          prefix = ref[j];
           this.bad.push(this.prefixName(prefix, 'min'));
           this.bad.push(this.prefixName(prefix, 'max'));
         }
@@ -3397,16 +3493,18 @@
       prefixes = parent ? [parent] : this.prefixes;
       return rule.params = utils.editList(rule.params, (function(_this) {
         return function(origin, prefixed) {
-          var prefix, processed, query, _i, _j, _len, _len1;
-          for (_i = 0, _len = origin.length; _i < _len; _i++) {
-            query = origin[_i];
+          var j, k, len, len1, prefix, processed, query;
+          for (j = 0, len = origin.length; j < len; j++) {
+            query = origin[j];
             if (query.indexOf('min-resolution') === -1 && query.indexOf('max-resolution') === -1) {
               prefixed.push(query);
               continue;
             }
-            for (_j = 0, _len1 = prefixes.length; _j < _len1; _j++) {
-              prefix = prefixes[_j];
-              if (prefix !== '-moz-' || query.indexOf('dppx') !== -1) {
+            for (k = 0, len1 = prefixes.length; k < len1; k++) {
+              prefix = prefixes[k];
+              if (prefix === '-moz-' && rule.params.indexOf('dpi') !== -1) {
+                continue;
+              } else {
                 processed = query.replace(regexp, function(str) {
                   var parts;
                   parts = str.match(split);
@@ -3433,8 +3531,8 @@
 },{"./prefixer":40,"./utils":46,"num2fraction":95}],44:[function(require,module,exports){
 (function() {
   var Browsers, OldSelector, Prefixer, Selector, utils,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   OldSelector = require('./old-selector');
 
@@ -3444,11 +3542,11 @@
 
   utils = require('./utils');
 
-  Selector = (function(_super) {
-    __extends(Selector, _super);
+  Selector = (function(superClass) {
+    extend(Selector, superClass);
 
-    function Selector(name, prefixes, all) {
-      this.name = name;
+    function Selector(name1, prefixes, all) {
+      this.name = name1;
       this.prefixes = prefixes;
       this.all = all;
       this.regexpCache = {};
@@ -3480,14 +3578,14 @@
     };
 
     Selector.prototype.prefixeds = function(rule) {
-      var prefix, prefixeds, _i, _len, _ref;
+      var i, len, prefix, prefixeds, ref;
       if (rule._autoprefixerPrefixeds) {
         return rule._autoprefixerPrefixeds;
       }
       prefixeds = {};
-      _ref = this.possible();
-      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-        prefix = _ref[_i];
+      ref = this.possible();
+      for (i = 0, len = ref.length; i < len; i++) {
+        prefix = ref[i];
         prefixeds[prefix] = this.replace(rule.selector, prefix);
       }
       return rule._autoprefixerPrefixeds = prefixeds;
@@ -3549,7 +3647,7 @@
 
 }).call(this);
 
-},{"./browsers":5,"./old-selector":38,"./prefixer":40,"./utils":46}],45:[function(require,module,exports){
+},{"./browsers":4,"./old-selector":38,"./prefixer":40,"./utils":46}],45:[function(require,module,exports){
 (function() {
   var Prefixes, Supports, Value, findCondition, findDecl, list, postcss, split, utils;
 
@@ -3570,8 +3668,8 @@
   findCondition = /(not\s*)?\(\s*([^\(\):]+)\s*:\s*(.+?(?!\s*or\s*).+?)\s*\)*\s*\)\s*or\s*/gi;
 
   Supports = (function() {
-    function Supports(all) {
-      this.all = all;
+    function Supports(all1) {
+      this.all = all1;
     }
 
     Supports.prototype.virtual = function(prop, value) {
@@ -3586,7 +3684,7 @@
     };
 
     Supports.prototype.prefixed = function(prop, value) {
-      var decl, prefixer, rule, _i, _j, _len, _len1, _ref, _ref1;
+      var decl, j, k, len, len1, prefixer, ref, ref1, rule;
       rule = this.virtual(prop, value);
       prefixer = this.all.add[prop];
       if (prefixer != null) {
@@ -3594,12 +3692,12 @@
           prefixer.process(rule.first);
         }
       }
-      _ref = rule.nodes;
-      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-        decl = _ref[_i];
-        _ref1 = this.all.values('add', prop);
-        for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
-          value = _ref1[_j];
+      ref = rule.nodes;
+      for (j = 0, len = ref.length; j < len; j++) {
+        decl = ref[j];
+        ref1 = this.all.values('add', prop);
+        for (k = 0, len1 = ref1.length; k < len1; k++) {
+          value = ref1[k];
           value.process(decl);
         }
         Value.save(this.all, decl);
@@ -3610,21 +3708,21 @@
     Supports.prototype.clean = function(params) {
       return params.replace(findCondition, (function(_this) {
         return function(all) {
-          var check, checker, prop, unprefixed, value, _, _i, _len, _ref, _ref1, _ref2;
+          var _, check, checker, j, len, prop, ref, ref1, ref2, unprefixed, value;
           if (all.slice(0, 3).toLowerCase() === 'not') {
             return all;
           }
-          _ref = all.match(split), _ = _ref[0], prop = _ref[1], value = _ref[2];
+          ref = all.match(split), _ = ref[0], prop = ref[1], value = ref[2];
           unprefixed = _this.all.unprefixed(prop);
-          if ((_ref1 = _this.all.cleaner().remove[prop]) != null ? _ref1.remove : void 0) {
+          if ((ref1 = _this.all.cleaner().remove[prop]) != null ? ref1.remove : void 0) {
             check = new RegExp('(\\(|\\s)' + utils.escapeRegexp(unprefixed) + ':');
             if (check.test(params)) {
               return '';
             }
           }
-          _ref2 = _this.all.cleaner().values('remove', unprefixed);
-          for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
-            checker = _ref2[_i];
+          ref2 = _this.all.cleaner().values('remove', unprefixed);
+          for (j = 0, len = ref2.length; j < len; j++) {
+            checker = ref2[j];
             if (checker.check(value)) {
               return '';
             }
@@ -3640,14 +3738,14 @@
         return function(all, prop, value) {
           var i, stringed;
           stringed = (function() {
-            var _i, _len, _ref, _results;
-            _ref = this.prefixed(prop, value);
-            _results = [];
-            for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-              i = _ref[_i];
-              _results.push("(" + i.prop + ": " + i.value + ")");
+            var j, len, ref, results;
+            ref = this.prefixed(prop, value);
+            results = [];
+            for (j = 0, len = ref.length; j < len; j++) {
+              i = ref[j];
+              results.push("(" + i.prop + ": " + i.value + ")");
             }
-            return _results;
+            return results;
           }).call(_this);
           if (stringed.length === 1) {
             return stringed[0];
@@ -3680,10 +3778,10 @@
       throw err;
     },
     uniq: function(array) {
-      var filtered, i, _i, _len;
+      var filtered, i, j, len;
       filtered = [];
-      for (_i = 0, _len = array.length; _i < _len; _i++) {
-        i = array[_i];
+      for (j = 0, len = array.length; j < len; j++) {
+        i = array[j];
         if (filtered.indexOf(i) === -1) {
           filtered.push(i);
         }
@@ -3728,8 +3826,8 @@
 },{"postcss/lib/list":102}],47:[function(require,module,exports){
 (function() {
   var OldValue, Prefixer, Value, utils, vendor,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
 
   Prefixer = require('./prefixer');
 
@@ -3739,25 +3837,25 @@
 
   vendor = require('postcss/lib/vendor');
 
-  Value = (function(_super) {
-    __extends(Value, _super);
+  Value = (function(superClass) {
+    extend(Value, superClass);
 
     function Value() {
       return Value.__super__.constructor.apply(this, arguments);
     }
 
     Value.save = function(prefixes, decl) {
-      var already, cloned, prefix, prefixed, propPrefix, rule, trimmed, value, _ref, _results;
-      _ref = decl._autoprefixerValues;
-      _results = [];
-      for (prefix in _ref) {
-        value = _ref[prefix];
+      var already, cloned, prefix, prefixed, propPrefix, ref, results, rule, trimmed, value;
+      ref = decl._autoprefixerValues;
+      results = [];
+      for (prefix in ref) {
+        value = ref[prefix];
         if (value === decl.value) {
           continue;
         }
         propPrefix = vendor.prefix(decl.prop);
         if (propPrefix === prefix) {
-          _results.push(decl.value = value);
+          results.push(decl.value = value);
         } else if (propPrefix === '-pie-') {
           continue;
         } else {
@@ -3772,22 +3870,22 @@
             });
             if (!already) {
               if (value.indexOf('-webkit-filter') !== -1 && (decl.prop === 'transition' || decl.prop === 'trasition-property')) {
-                _results.push(decl.value = value);
+                results.push(decl.value = value);
               } else {
                 cloned = this.clone(decl, {
                   value: value
                 });
-                _results.push(decl.parent.insertBefore(decl, cloned));
+                results.push(decl.parent.insertBefore(decl, cloned));
               }
             } else {
-              _results.push(void 0);
+              results.push(void 0);
             }
           } else {
-            _results.push(void 0);
+            results.push(void 0);
           }
         }
       }
-      return _results;
+      return results;
     };
 
     Value.prototype.check = function(decl) {
@@ -3809,9 +3907,9 @@
     };
 
     Value.prototype.add = function(decl, prefix) {
-      var value, _ref;
+      var ref, value;
       decl._autoprefixerValues || (decl._autoprefixerValues = {});
-      value = decl._autoprefixerValues[prefix] || ((_ref = decl._value) != null ? _ref.raw : void 0) || decl.value;
+      value = decl._autoprefixerValues[prefix] || ((ref = decl._value) != null ? ref.raw : void 0) || decl.value;
       value = this.replace(value, prefix);
       if (value) {
         return decl._autoprefixerValues[prefix] = value;
@@ -3879,7 +3977,7 @@ Buffer.TYPED_ARRAY_SUPPORT = (function () {
     var buf = new ArrayBuffer(0)
     var arr = new Uint8Array(buf)
     arr.foo = function () { return 42 }
-    return 42 === arr.foo() && // typed array instances can be augmented
+    return arr.foo() === 42 && // typed array instances can be augmented
         typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`
         new Uint8Array(1).subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`
   } catch (e) {
@@ -3899,83 +3997,88 @@ Buffer.TYPED_ARRAY_SUPPORT = (function () {
  * By augmenting the instances, we can avoid modifying the `Uint8Array`
  * prototype.
  */
-function Buffer (subject, encoding, noZero) {
-  if (!(this instanceof Buffer))
-    return new Buffer(subject, encoding, noZero)
+function Buffer (subject, encoding) {
+  var self = this
+  if (!(self instanceof Buffer)) return new Buffer(subject, encoding)
 
   var type = typeof subject
-
-  // Find the length
   var length
-  if (type === 'number')
-    length = subject > 0 ? subject >>> 0 : 0
-  else if (type === 'string') {
+
+  if (type === 'number') {
+    length = +subject
+  } else if (type === 'string') {
     length = Buffer.byteLength(subject, encoding)
-  } else if (type === 'object' && subject !== null) { // assume object is array-like
-    if (subject.type === 'Buffer' && isArray(subject.data))
-      subject = subject.data
-    length = +subject.length > 0 ? Math.floor(+subject.length) : 0
-  } else
+  } else if (type === 'object' && subject !== null) {
+    // assume object is array-like
+    if (subject.type === 'Buffer' && isArray(subject.data)) subject = subject.data
+    length = +subject.length
+  } else {
     throw new TypeError('must start with number, buffer, array or string')
+  }
 
-  if (length > kMaxLength)
-    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
-      'size: 0x' + kMaxLength.toString(16) + ' bytes')
+  if (length > kMaxLength) {
+    throw new RangeError('Attempt to allocate Buffer larger than maximum size: 0x' +
+      kMaxLength.toString(16) + ' bytes')
+  }
+
+  if (length < 0) length = 0
+  else length >>>= 0 // coerce to uint32
 
-  var buf
   if (Buffer.TYPED_ARRAY_SUPPORT) {
     // Preferred: Return an augmented `Uint8Array` instance for best performance
-    buf = Buffer._augment(new Uint8Array(length))
+    self = Buffer._augment(new Uint8Array(length)) // eslint-disable-line consistent-this
   } else {
     // Fallback: Return THIS instance of Buffer (created by `new`)
-    buf = this
-    buf.length = length
-    buf._isBuffer = true
+    self.length = length
+    self._isBuffer = true
   }
 
   var i
   if (Buffer.TYPED_ARRAY_SUPPORT && typeof subject.byteLength === 'number') {
     // Speed optimization -- use set if we're copying from a typed array
-    buf._set(subject)
+    self._set(subject)
   } else if (isArrayish(subject)) {
     // Treat array-ish objects as a byte array
     if (Buffer.isBuffer(subject)) {
-      for (i = 0; i < length; i++)
-        buf[i] = subject.readUInt8(i)
+      for (i = 0; i < length; i++) {
+        self[i] = subject.readUInt8(i)
+      }
     } else {
-      for (i = 0; i < length; i++)
-        buf[i] = ((subject[i] % 256) + 256) % 256
+      for (i = 0; i < length; i++) {
+        self[i] = ((subject[i] % 256) + 256) % 256
+      }
     }
   } else if (type === 'string') {
-    buf.write(subject, 0, encoding)
-  } else if (type === 'number' && !Buffer.TYPED_ARRAY_SUPPORT && !noZero) {
+    self.write(subject, 0, encoding)
+  } else if (type === 'number' && !Buffer.TYPED_ARRAY_SUPPORT) {
     for (i = 0; i < length; i++) {
-      buf[i] = 0
+      self[i] = 0
     }
   }
 
-  if (length > 0 && length <= Buffer.poolSize)
-    buf.parent = rootParent
+  if (length > 0 && length <= Buffer.poolSize) self.parent = rootParent
 
-  return buf
+  return self
 }
 
-function SlowBuffer(subject, encoding, noZero) {
-  if (!(this instanceof SlowBuffer))
-    return new SlowBuffer(subject, encoding, noZero)
+function SlowBuffer (subject, encoding) {
+  if (!(this instanceof SlowBuffer)) return new SlowBuffer(subject, encoding)
 
-  var buf = new Buffer(subject, encoding, noZero)
+  var buf = new Buffer(subject, encoding)
   delete buf.parent
   return buf
 }
 
-Buffer.isBuffer = function (b) {
+Buffer.isBuffer = function isBuffer (b) {
   return !!(b != null && b._isBuffer)
 }
 
-Buffer.compare = function (a, b) {
-  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b))
+Buffer.compare = function compare (a, b) {
+  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
     throw new TypeError('Arguments must be Buffers')
+  }
+
+  if (a === b) return 0
 
   var x = a.length
   var y = b.length
@@ -3989,7 +4092,7 @@ Buffer.compare = function (a, b) {
   return 0
 }
 
-Buffer.isEncoding = function (encoding) {
+Buffer.isEncoding = function isEncoding (encoding) {
   switch (String(encoding).toLowerCase()) {
     case 'hex':
     case 'utf8':
@@ -4008,8 +4111,8 @@ Buffer.isEncoding = function (encoding) {
   }
 }
 
-Buffer.concat = function (list, totalLength) {
-  if (!isArray(list)) throw new TypeError('Usage: Buffer.concat(list[, length])')
+Buffer.concat = function concat (list, totalLength) {
+  if (!isArray(list)) throw new TypeError('list argument must be an Array of Buffers.')
 
   if (list.length === 0) {
     return new Buffer(0)
@@ -4035,7 +4138,7 @@ Buffer.concat = function (list, totalLength) {
   return buf
 }
 
-Buffer.byteLength = function (str, encoding) {
+Buffer.byteLength = function byteLength (str, encoding) {
   var ret
   str = str + ''
   switch (encoding || 'utf8') {
@@ -4071,7 +4174,7 @@ Buffer.prototype.length = undefined
 Buffer.prototype.parent = undefined
 
 // toString(encoding, start=0, end=buffer.length)
-Buffer.prototype.toString = function (encoding, start, end) {
+Buffer.prototype.toString = function toString (encoding, start, end) {
   var loweredCase = false
 
   start = start >>> 0
@@ -4107,43 +4210,84 @@ Buffer.prototype.toString = function (encoding, start, end) {
         return utf16leSlice(this, start, end)
 
       default:
-        if (loweredCase)
-          throw new TypeError('Unknown encoding: ' + encoding)
+        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
         encoding = (encoding + '').toLowerCase()
         loweredCase = true
     }
   }
 }
 
-Buffer.prototype.equals = function (b) {
+Buffer.prototype.equals = function equals (b) {
   if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
+  if (this === b) return true
   return Buffer.compare(this, b) === 0
 }
 
-Buffer.prototype.inspect = function () {
+Buffer.prototype.inspect = function inspect () {
   var str = ''
   var max = exports.INSPECT_MAX_BYTES
   if (this.length > 0) {
     str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')
-    if (this.length > max)
-      str += ' ... '
+    if (this.length > max) str += ' ... '
   }
   return '<Buffer ' + str + '>'
 }
 
-Buffer.prototype.compare = function (b) {
+Buffer.prototype.compare = function compare (b) {
   if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
+  if (this === b) return 0
   return Buffer.compare(this, b)
 }
 
+Buffer.prototype.indexOf = function indexOf (val, byteOffset) {
+  if (byteOffset > 0x7fffffff) byteOffset = 0x7fffffff
+  else if (byteOffset < -0x80000000) byteOffset = -0x80000000
+  byteOffset >>= 0
+
+  if (this.length === 0) return -1
+  if (byteOffset >= this.length) return -1
+
+  // Negative offsets start from the end of the buffer
+  if (byteOffset < 0) byteOffset = Math.max(this.length + byteOffset, 0)
+
+  if (typeof val === 'string') {
+    if (val.length === 0) return -1 // special case: looking for empty string always fails
+    return String.prototype.indexOf.call(this, val, byteOffset)
+  }
+  if (Buffer.isBuffer(val)) {
+    return arrayIndexOf(this, val, byteOffset)
+  }
+  if (typeof val === 'number') {
+    if (Buffer.TYPED_ARRAY_SUPPORT && Uint8Array.prototype.indexOf === 'function') {
+      return Uint8Array.prototype.indexOf.call(this, val, byteOffset)
+    }
+    return arrayIndexOf(this, [ val ], byteOffset)
+  }
+
+  function arrayIndexOf (arr, val, byteOffset) {
+    var foundIndex = -1
+    for (var i = 0; byteOffset + i < arr.length; i++) {
+      if (arr[byteOffset + i] === val[foundIndex === -1 ? 0 : i - foundIndex]) {
+        if (foundIndex === -1) foundIndex = i
+        if (i - foundIndex + 1 === val.length) return byteOffset + foundIndex
+      } else {
+        foundIndex = -1
+      }
+    }
+    return -1
+  }
+
+  throw new TypeError('val must be string, number or Buffer')
+}
+
 // `get` will be removed in Node 0.13+
-Buffer.prototype.get = function (offset) {
+Buffer.prototype.get = function get (offset) {
   console.log('.get() is deprecated. Access using array indexes instead.')
   return this.readUInt8(offset)
 }
 
 // `set` will be removed in Node 0.13+
-Buffer.prototype.set = function (v, offset) {
+Buffer.prototype.set = function set (v, offset) {
   console.log('.set() is deprecated. Access using array indexes instead.')
   return this.writeUInt8(v, offset)
 }
@@ -4168,9 +4312,9 @@ function hexWrite (buf, string, offset, length) {
     length = strLen / 2
   }
   for (var i = 0; i < length; i++) {
-    var byte = parseInt(string.substr(i * 2, 2), 16)
-    if (isNaN(byte)) throw new Error('Invalid hex string')
-    buf[offset + i] = byte
+    var parsed = parseInt(string.substr(i * 2, 2), 16)
+    if (isNaN(parsed)) throw new Error('Invalid hex string')
+    buf[offset + i] = parsed
   }
   return i
 }
@@ -4195,11 +4339,11 @@ function base64Write (buf, string, offset, length) {
 }
 
 function utf16leWrite (buf, string, offset, length) {
-  var charsWritten = blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length, 2)
+  var charsWritten = blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
   return charsWritten
 }
 
-Buffer.prototype.write = function (string, offset, length, encoding) {
+Buffer.prototype.write = function write (string, offset, length, encoding) {
   // Support both (string, offset, length, encoding)
   // and the legacy (string, encoding, offset, length)
   if (isFinite(offset)) {
@@ -4216,8 +4360,9 @@ Buffer.prototype.write = function (string, offset, length, encoding) {
 
   offset = Number(offset) || 0
 
-  if (length < 0 || offset < 0 || offset > this.length)
-    throw new RangeError('attempt to write outside buffer bounds');
+  if (length < 0 || offset < 0 || offset > this.length) {
+    throw new RangeError('attempt to write outside buffer bounds')
+  }
 
   var remaining = this.length - offset
   if (!length) {
@@ -4260,7 +4405,7 @@ Buffer.prototype.write = function (string, offset, length, encoding) {
   return ret
 }
 
-Buffer.prototype.toJSON = function () {
+Buffer.prototype.toJSON = function toJSON () {
   return {
     type: 'Buffer',
     data: Array.prototype.slice.call(this._arr || this, 0)
@@ -4334,43 +4479,39 @@ function utf16leSlice (buf, start, end) {
   return res
 }
 
-Buffer.prototype.slice = function (start, end) {
+Buffer.prototype.slice = function slice (start, end) {
   var len = this.length
   start = ~~start
   end = end === undefined ? len : ~~end
 
   if (start < 0) {
-    start += len;
-    if (start < 0)
-      start = 0
+    start += len
+    if (start < 0) start = 0
   } else if (start > len) {
     start = len
   }
 
   if (end < 0) {
     end += len
-    if (end < 0)
-      end = 0
+    if (end < 0) end = 0
   } else if (end > len) {
     end = len
   }
 
-  if (end < start)
-    end = start
+  if (end < start) end = start
 
   var newBuf
   if (Buffer.TYPED_ARRAY_SUPPORT) {
     newBuf = Buffer._augment(this.subarray(start, end))
   } else {
     var sliceLen = end - start
-    newBuf = new Buffer(sliceLen, undefined, true)
+    newBuf = new Buffer(sliceLen, undefined)
     for (var i = 0; i < sliceLen; i++) {
       newBuf[i] = this[i + start]
     }
   }
 
-  if (newBuf.length)
-    newBuf.parent = this.parent || this
+  if (newBuf.length) newBuf.parent = this.parent || this
 
   return newBuf
 }
@@ -4379,62 +4520,58 @@ Buffer.prototype.slice = function (start, end) {
  * Need to make sure that buffer isn't trying to write out of bounds.
  */
 function checkOffset (offset, ext, length) {
-  if ((offset % 1) !== 0 || offset < 0)
-    throw new RangeError('offset is not uint')
-  if (offset + ext > length)
-    throw new RangeError('Trying to access beyond buffer length')
+  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
+  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
 }
 
-Buffer.prototype.readUIntLE = function (offset, byteLength, noAssert) {
+Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
   offset = offset >>> 0
   byteLength = byteLength >>> 0
-  if (!noAssert)
-    checkOffset(offset, byteLength, this.length)
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
 
   var val = this[offset]
   var mul = 1
   var i = 0
-  while (++i < byteLength && (mul *= 0x100))
+  while (++i < byteLength && (mul *= 0x100)) {
     val += this[offset + i] * mul
+  }
 
   return val
 }
 
-Buffer.prototype.readUIntBE = function (offset, byteLength, noAssert) {
+Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
   offset = offset >>> 0
   byteLength = byteLength >>> 0
-  if (!noAssert)
+  if (!noAssert) {
     checkOffset(offset, byteLength, this.length)
+  }
 
   var val = this[offset + --byteLength]
   var mul = 1
-  while (byteLength > 0 && (mul *= 0x100))
-    val += this[offset + --byteLength] * mul;
+  while (byteLength > 0 && (mul *= 0x100)) {
+    val += this[offset + --byteLength] * mul
+  }
 
   return val
 }
 
-Buffer.prototype.readUInt8 = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 1, this.length)
+Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 1, this.length)
   return this[offset]
 }
 
-Buffer.prototype.readUInt16LE = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 2, this.length)
+Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 2, this.length)
   return this[offset] | (this[offset + 1] << 8)
 }
 
-Buffer.prototype.readUInt16BE = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 2, this.length)
+Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 2, this.length)
   return (this[offset] << 8) | this[offset + 1]
 }
 
-Buffer.prototype.readUInt32LE = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 4, this.length)
+Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length)
 
   return ((this[offset]) |
       (this[offset + 1] << 8) |
@@ -4442,117 +4579,104 @@ Buffer.prototype.readUInt32LE = function (offset, noAssert) {
       (this[offset + 3] * 0x1000000)
 }
 
-Buffer.prototype.readUInt32BE = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 4, this.length)
+Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length)
 
   return (this[offset] * 0x1000000) +
-      ((this[offset + 1] << 16) |
-      (this[offset + 2] << 8) |
-      this[offset + 3])
+    ((this[offset + 1] << 16) |
+    (this[offset + 2] << 8) |
+    this[offset + 3])
 }
 
-Buffer.prototype.readIntLE = function (offset, byteLength, noAssert) {
+Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
   offset = offset >>> 0
   byteLength = byteLength >>> 0
-  if (!noAssert)
-    checkOffset(offset, byteLength, this.length)
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
 
   var val = this[offset]
   var mul = 1
   var i = 0
-  while (++i < byteLength && (mul *= 0x100))
+  while (++i < byteLength && (mul *= 0x100)) {
     val += this[offset + i] * mul
+  }
   mul *= 0x80
 
-  if (val >= mul)
-    val -= Math.pow(2, 8 * byteLength)
+  if (val >= mul) val -= Math.pow(2, 8 * byteLength)
 
   return val
 }
 
-Buffer.prototype.readIntBE = function (offset, byteLength, noAssert) {
+Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
   offset = offset >>> 0
   byteLength = byteLength >>> 0
-  if (!noAssert)
-    checkOffset(offset, byteLength, this.length)
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
 
   var i = byteLength
   var mul = 1
   var val = this[offset + --i]
-  while (i > 0 && (mul *= 0x100))
+  while (i > 0 && (mul *= 0x100)) {
     val += this[offset + --i] * mul
+  }
   mul *= 0x80
 
-  if (val >= mul)
-    val -= Math.pow(2, 8 * byteLength)
+  if (val >= mul) val -= Math.pow(2, 8 * byteLength)
 
   return val
 }
 
-Buffer.prototype.readInt8 = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 1, this.length)
-  if (!(this[offset] & 0x80))
-    return (this[offset])
+Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 1, this.length)
+  if (!(this[offset] & 0x80)) return (this[offset])
   return ((0xff - this[offset] + 1) * -1)
 }
 
-Buffer.prototype.readInt16LE = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 2, this.length)
+Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 2, this.length)
   var val = this[offset] | (this[offset + 1] << 8)
   return (val & 0x8000) ? val | 0xFFFF0000 : val
 }
 
-Buffer.prototype.readInt16BE = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 2, this.length)
+Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 2, this.length)
   var val = this[offset + 1] | (this[offset] << 8)
   return (val & 0x8000) ? val | 0xFFFF0000 : val
 }
 
-Buffer.prototype.readInt32LE = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 4, this.length)
+Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length)
 
   return (this[offset]) |
-      (this[offset + 1] << 8) |
-      (this[offset + 2] << 16) |
-      (this[offset + 3] << 24)
+    (this[offset + 1] << 8) |
+    (this[offset + 2] << 16) |
+    (this[offset + 3] << 24)
 }
 
-Buffer.prototype.readInt32BE = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 4, this.length)
+Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length)
 
   return (this[offset] << 24) |
-      (this[offset + 1] << 16) |
-      (this[offset + 2] << 8) |
-      (this[offset + 3])
+    (this[offset + 1] << 16) |
+    (this[offset + 2] << 8) |
+    (this[offset + 3])
 }
 
-Buffer.prototype.readFloatLE = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 4, this.length)
+Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length)
   return ieee754.read(this, offset, true, 23, 4)
 }
 
-Buffer.prototype.readFloatBE = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 4, this.length)
+Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length)
   return ieee754.read(this, offset, false, 23, 4)
 }
 
-Buffer.prototype.readDoubleLE = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 8, this.length)
+Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 8, this.length)
   return ieee754.read(this, offset, true, 52, 8)
 }
 
-Buffer.prototype.readDoubleBE = function (offset, noAssert) {
-  if (!noAssert)
-    checkOffset(offset, 8, this.length)
+Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 8, this.length)
   return ieee754.read(this, offset, false, 52, 8)
 }
 
@@ -4562,43 +4686,42 @@ function checkInt (buf, value, offset, ext, max, min) {
   if (offset + ext > buf.length) throw new RangeError('index out of range')
 }
 
-Buffer.prototype.writeUIntLE = function (value, offset, byteLength, noAssert) {
+Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
   value = +value
   offset = offset >>> 0
   byteLength = byteLength >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0)
+  if (!noAssert) checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0)
 
   var mul = 1
   var i = 0
   this[offset] = value & 0xFF
-  while (++i < byteLength && (mul *= 0x100))
+  while (++i < byteLength && (mul *= 0x100)) {
     this[offset + i] = (value / mul) >>> 0 & 0xFF
+  }
 
   return offset + byteLength
 }
 
-Buffer.prototype.writeUIntBE = function (value, offset, byteLength, noAssert) {
+Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
   value = +value
   offset = offset >>> 0
   byteLength = byteLength >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0)
+  if (!noAssert) checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0)
 
   var i = byteLength - 1
   var mul = 1
   this[offset + i] = value & 0xFF
-  while (--i >= 0 && (mul *= 0x100))
+  while (--i >= 0 && (mul *= 0x100)) {
     this[offset + i] = (value / mul) >>> 0 & 0xFF
+  }
 
   return offset + byteLength
 }
 
-Buffer.prototype.writeUInt8 = function (value, offset, noAssert) {
+Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
   value = +value
   offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 1, 0xff, 0)
+  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
   if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
   this[offset] = value
   return offset + 1
@@ -4612,27 +4735,29 @@ function objectWriteUInt16 (buf, value, offset, littleEndian) {
   }
 }
 
-Buffer.prototype.writeUInt16LE = function (value, offset, noAssert) {
+Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
   value = +value
   offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 2, 0xffff, 0)
+  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
   if (Buffer.TYPED_ARRAY_SUPPORT) {
     this[offset] = value
     this[offset + 1] = (value >>> 8)
-  } else objectWriteUInt16(this, value, offset, true)
+  } else {
+    objectWriteUInt16(this, value, offset, true)
+  }
   return offset + 2
 }
 
-Buffer.prototype.writeUInt16BE = function (value, offset, noAssert) {
+Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
   value = +value
   offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 2, 0xffff, 0)
+  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
   if (Buffer.TYPED_ARRAY_SUPPORT) {
     this[offset] = (value >>> 8)
     this[offset + 1] = value
-  } else objectWriteUInt16(this, value, offset, false)
+  } else {
+    objectWriteUInt16(this, value, offset, false)
+  }
   return offset + 2
 }
 
@@ -4643,139 +4768,144 @@ function objectWriteUInt32 (buf, value, offset, littleEndian) {
   }
 }
 
-Buffer.prototype.writeUInt32LE = function (value, offset, noAssert) {
+Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
   value = +value
   offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 4, 0xffffffff, 0)
+  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
   if (Buffer.TYPED_ARRAY_SUPPORT) {
     this[offset + 3] = (value >>> 24)
     this[offset + 2] = (value >>> 16)
     this[offset + 1] = (value >>> 8)
     this[offset] = value
-  } else objectWriteUInt32(this, value, offset, true)
+  } else {
+    objectWriteUInt32(this, value, offset, true)
+  }
   return offset + 4
 }
 
-Buffer.prototype.writeUInt32BE = function (value, offset, noAssert) {
+Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
   value = +value
   offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 4, 0xffffffff, 0)
+  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
   if (Buffer.TYPED_ARRAY_SUPPORT) {
     this[offset] = (value >>> 24)
     this[offset + 1] = (value >>> 16)
     this[offset + 2] = (value >>> 8)
     this[offset + 3] = value
-  } else objectWriteUInt32(this, value, offset, false)
+  } else {
+    objectWriteUInt32(this, value, offset, false)
+  }
   return offset + 4
 }
 
-Buffer.prototype.writeIntLE = function (value, offset, byteLength, noAssert) {
+Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
   value = +value
   offset = offset >>> 0
   if (!noAssert) {
-    checkInt(this,
-             value,
-             offset,
-             byteLength,
-             Math.pow(2, 8 * byteLength - 1) - 1,
-             -Math.pow(2, 8 * byteLength - 1))
+    checkInt(
+      this, value, offset, byteLength,
+      Math.pow(2, 8 * byteLength - 1) - 1,
+      -Math.pow(2, 8 * byteLength - 1)
+    )
   }
 
   var i = 0
   var mul = 1
   var sub = value < 0 ? 1 : 0
   this[offset] = value & 0xFF
-  while (++i < byteLength && (mul *= 0x100))
+  while (++i < byteLength && (mul *= 0x100)) {
     this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+  }
 
   return offset + byteLength
 }
 
-Buffer.prototype.writeIntBE = function (value, offset, byteLength, noAssert) {
+Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
   value = +value
   offset = offset >>> 0
   if (!noAssert) {
-    checkInt(this,
-             value,
-             offset,
-             byteLength,
-             Math.pow(2, 8 * byteLength - 1) - 1,
-             -Math.pow(2, 8 * byteLength - 1))
+    checkInt(
+      this, value, offset, byteLength,
+      Math.pow(2, 8 * byteLength - 1) - 1,
+      -Math.pow(2, 8 * byteLength - 1)
+    )
   }
 
   var i = byteLength - 1
   var mul = 1
   var sub = value < 0 ? 1 : 0
   this[offset + i] = value & 0xFF
-  while (--i >= 0 && (mul *= 0x100))
+  while (--i >= 0 && (mul *= 0x100)) {
     this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+  }
 
   return offset + byteLength
 }
 
-Buffer.prototype.writeInt8 = function (value, offset, noAssert) {
+Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
   value = +value
   offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 1, 0x7f, -0x80)
+  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
   if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
   if (value < 0) value = 0xff + value + 1
   this[offset] = value
   return offset + 1
 }
 
-Buffer.prototype.writeInt16LE = function (value, offset, noAssert) {
+Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
   value = +value
   offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
   if (Buffer.TYPED_ARRAY_SUPPORT) {
     this[offset] = value
     this[offset + 1] = (value >>> 8)
-  } else objectWriteUInt16(this, value, offset, true)
+  } else {
+    objectWriteUInt16(this, value, offset, true)
+  }
   return offset + 2
 }
 
-Buffer.prototype.writeInt16BE = function (value, offset, noAssert) {
+Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
   value = +value
   offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
   if (Buffer.TYPED_ARRAY_SUPPORT) {
     this[offset] = (value >>> 8)
     this[offset + 1] = value
-  } else objectWriteUInt16(this, value, offset, false)
+  } else {
+    objectWriteUInt16(this, value, offset, false)
+  }
   return offset + 2
 }
 
-Buffer.prototype.writeInt32LE = function (value, offset, noAssert) {
+Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
   value = +value
   offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
   if (Buffer.TYPED_ARRAY_SUPPORT) {
     this[offset] = value
     this[offset + 1] = (value >>> 8)
     this[offset + 2] = (value >>> 16)
     this[offset + 3] = (value >>> 24)
-  } else objectWriteUInt32(this, value, offset, true)
+  } else {
+    objectWriteUInt32(this, value, offset, true)
+  }
   return offset + 4
 }
 
-Buffer.prototype.writeInt32BE = function (value, offset, noAssert) {
+Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
   value = +value
   offset = offset >>> 0
-  if (!noAssert)
-    checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
   if (value < 0) value = 0xffffffff + value + 1
   if (Buffer.TYPED_ARRAY_SUPPORT) {
     this[offset] = (value >>> 24)
     this[offset + 1] = (value >>> 16)
     this[offset + 2] = (value >>> 8)
     this[offset + 3] = value
-  } else objectWriteUInt32(this, value, offset, false)
+  } else {
+    objectWriteUInt32(this, value, offset, false)
+  }
   return offset + 4
 }
 
@@ -4786,39 +4916,39 @@ function checkIEEE754 (buf, value, offset, ext, max, min) {
 }
 
 function writeFloat (buf, value, offset, littleEndian, noAssert) {
-  if (!noAssert)
+  if (!noAssert) {
     checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
+  }
   ieee754.write(buf, value, offset, littleEndian, 23, 4)
   return offset + 4
 }
 
-Buffer.prototype.writeFloatLE = function (value, offset, noAssert) {
+Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
   return writeFloat(this, value, offset, true, noAssert)
 }
 
-Buffer.prototype.writeFloatBE = function (value, offset, noAssert) {
+Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
   return writeFloat(this, value, offset, false, noAssert)
 }
 
 function writeDouble (buf, value, offset, littleEndian, noAssert) {
-  if (!noAssert)
+  if (!noAssert) {
     checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
+  }
   ieee754.write(buf, value, offset, littleEndian, 52, 8)
   return offset + 8
 }
 
-Buffer.prototype.writeDoubleLE = function (value, offset, noAssert) {
+Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
   return writeDouble(this, value, offset, true, noAssert)
 }
 
-Buffer.prototype.writeDoubleBE = function (value, offset, noAssert) {
+Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
   return writeDouble(this, value, offset, false, noAssert)
 }
 
 // copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
-Buffer.prototype.copy = function (target, target_start, start, end) {
-  var source = this
-
+Buffer.prototype.copy = function copy (target, target_start, start, end) {
   if (!start) start = 0
   if (!end && end !== 0) end = this.length
   if (target_start >= target.length) target_start = target.length
@@ -4827,19 +4957,20 @@ Buffer.prototype.copy = function (target, target_start, start, end) {
 
   // Copy 0 bytes; we're done
   if (end === start) return 0
-  if (target.length === 0 || source.length === 0) return 0
+  if (target.length === 0 || this.length === 0) return 0
 
   // Fatal error conditions
-  if (target_start < 0)
+  if (target_start < 0) {
     throw new RangeError('targetStart out of bounds')
-  if (start < 0 || start >= source.length) throw new RangeError('sourceStart out of bounds')
+  }
+  if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
   if (end < 0) throw new RangeError('sourceEnd out of bounds')
 
   // Are we oob?
-  if (end > this.length)
-    end = this.length
-  if (target.length - target_start < end - start)
+  if (end > this.length) end = this.length
+  if (target.length - target_start < end - start) {
     end = target.length - target_start + start
+  }
 
   var len = end - start
 
@@ -4855,7 +4986,7 @@ Buffer.prototype.copy = function (target, target_start, start, end) {
 }
 
 // fill(value, start=0, end=buffer.length)
-Buffer.prototype.fill = function (value, start, end) {
+Buffer.prototype.fill = function fill (value, start, end) {
   if (!value) value = 0
   if (!start) start = 0
   if (!end) end = this.length
@@ -4889,7 +5020,7 @@ Buffer.prototype.fill = function (value, start, end) {
  * Creates a new `ArrayBuffer` with the *copied* memory of the buffer instance.
  * Added in Node 0.12. Only available in browsers that support ArrayBuffer.
  */
-Buffer.prototype.toArrayBuffer = function () {
+Buffer.prototype.toArrayBuffer = function toArrayBuffer () {
   if (typeof Uint8Array !== 'undefined') {
     if (Buffer.TYPED_ARRAY_SUPPORT) {
       return (new Buffer(this)).buffer
@@ -4913,12 +5044,11 @@ var BP = Buffer.prototype
 /**
  * Augment a Uint8Array *instance* (not the Uint8Array class!) with Buffer methods
  */
-Buffer._augment = function (arr) {
+Buffer._augment = function _augment (arr) {
   arr.constructor = Buffer
   arr._isBuffer = true
 
-  // save reference to original Uint8Array get/set methods before overwriting
-  arr._get = arr.get
+  // save reference to original Uint8Array set method before overwriting
   arr._set = arr.set
 
   // deprecated, will be removed in node 0.13+
@@ -4931,6 +5061,7 @@ Buffer._augment = function (arr) {
   arr.toJSON = BP.toJSON
   arr.equals = BP.equals
   arr.compare = BP.compare
+  arr.indexOf = BP.indexOf
   arr.copy = BP.copy
   arr.slice = BP.slice
   arr.readUIntLE = BP.readUIntLE
@@ -5006,61 +5137,50 @@ function toHex (n) {
   return n.toString(16)
 }
 
-function utf8ToBytes(string, units) {
-  var codePoint, length = string.length
-  var leadSurrogate = null
+function utf8ToBytes (string, units) {
   units = units || Infinity
+  var codePoint
+  var length = string.length
+  var leadSurrogate = null
   var bytes = []
   var i = 0
 
-  for (; i<length; i++) {
+  for (; i < length; i++) {
     codePoint = string.charCodeAt(i)
 
     // is surrogate component
     if (codePoint > 0xD7FF && codePoint < 0xE000) {
-
       // last char was a lead
       if (leadSurrogate) {
-
         // 2 leads in a row
         if (codePoint < 0xDC00) {
           if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
           leadSurrogate = codePoint
           continue
-        }
-
-        // valid surrogate pair
-        else {
+        } else {
+          // valid surrogate pair
           codePoint = leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00 | 0x10000
           leadSurrogate = null
         }
-      }
+      } else {
+        // no lead yet
 
-      // no lead yet
-      else {
-
-        // unexpected trail
         if (codePoint > 0xDBFF) {
+          // unexpected trail
           if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
           continue
-        }
-
-        // unpaired lead
-        else if (i + 1 === length) {
+        } else if (i + 1 === length) {
+          // unpaired lead
           if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
           continue
-        }
-
-        // valid lead
-        else {
+        } else {
+          // valid lead
           leadSurrogate = codePoint
           continue
         }
       }
-    }
-
-    // valid bmp char, but last char was a lead
-    else if (leadSurrogate) {
+    } else if (leadSurrogate) {
+      // valid bmp char, but last char was a lead
       if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
       leadSurrogate = null
     }
@@ -5069,32 +5189,28 @@ function utf8ToBytes(string, units) {
     if (codePoint < 0x80) {
       if ((units -= 1) < 0) break
       bytes.push(codePoint)
-    }
-    else if (codePoint < 0x800) {
+    } else if (codePoint < 0x800) {
       if ((units -= 2) < 0) break
       bytes.push(
         codePoint >> 0x6 | 0xC0,
         codePoint & 0x3F | 0x80
-      );
-    }
-    else if (codePoint < 0x10000) {
+      )
+    } else if (codePoint < 0x10000) {
       if ((units -= 3) < 0) break
       bytes.push(
         codePoint >> 0xC | 0xE0,
         codePoint >> 0x6 & 0x3F | 0x80,
         codePoint & 0x3F | 0x80
-      );
-    }
-    else if (codePoint < 0x200000) {
+      )
+    } else if (codePoint < 0x200000) {
       if ((units -= 4) < 0) break
       bytes.push(
         codePoint >> 0x12 | 0xF0,
         codePoint >> 0xC & 0x3F | 0x80,
         codePoint >> 0x6 & 0x3F | 0x80,
         codePoint & 0x3F | 0x80
-      );
-    }
-    else {
+      )
+    } else {
       throw new Error('Invalid code point')
     }
   }
@@ -5115,7 +5231,6 @@ function utf16leToBytes (str, units) {
   var c, hi, lo
   var byteArray = []
   for (var i = 0; i < str.length; i++) {
-
     if ((units -= 2) < 0) break
 
     c = str.charCodeAt(i)
@@ -5132,11 +5247,9 @@ function base64ToBytes (str) {
   return base64.toByteArray(base64clean(str))
 }
 
-function blitBuffer (src, dst, offset, length, unitSize) {
-  if (unitSize) length -= length % unitSize;
+function blitBuffer (src, dst, offset, length) {
   for (var i = 0; i < length; i++) {
-    if ((i + offset >= dst.length) || (i >= src.length))
-      break
+    if ((i + offset >= dst.length) || (i >= src.length)) break
     dst[i + offset] = src[i]
   }
   return i
@@ -5662,6 +5775,7 @@ process.browser = true;
 process.env = {};
 process.argv = [];
 process.version = ''; // empty string to avoid regexp issues
+process.versions = {};
 
 function noop() {}
 
@@ -6014,7 +6128,7 @@ for ( var name in caniuse ) {
 module.exports = browserslist;
 
 },{"caniuse-db/data":56,"fs":48,"path":53}],56:[function(require,module,exports){
-module.exports={"eras":{"e-36":"36 versions back","e-35":"35 versions back","e-34":"34 versions back","e-33":"33 versions back","e-32":"32 versions back","e-31":"31 versions back","e-30":"30 versions back","e-29":"29 versions back","e-28":"28 versions back","e-27":"27 versions back","e-26":"26 versions back","e-25":"25 versions back","e-24":"24 versions back","e-23":"23 versions back","e-22":"22 versions back","e-21":"21 versions back","e-20":"20 versions back","e-19":"19 versions back","e-18":"18 versions back","e-17":"17 versions back","e-16":"16 versions back","e-15":"15 versions back","e-14":"14 versions back","e-13":"13 versions back","e-12":"12 versions back","e-11":"11 versions back","e-10":"10 versions back","e-9":"9 versions back","e-8":"8 versions back","e-7":"7 versions back","e-6":"6 versions back","e-5":"5 versions back","e-4":"4 versions back","e-3":"3 versions back","e-2":"2 versions back","e-1":"Previous version","e0":"Current","e1":"Near future","e2":"Farther future","e3":"3 versions 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API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","TP":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"y","44":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.3":"n"},"op_mini":{"5.0-8.0":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","40":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","24":"n"},"and_chr":{"41":"n"},"and_ff":{"36":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"9.9":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":0.13,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"web-permissions,navigator.permissions","ie_id":"","chrome_id":"6376494003650560"}}}
 },{}],57:[function(require,module,exports){
 module.exports={
   "title":"CSS3 Background-image options",
@@ -6096,7 +6210,9 @@ module.exports={
       "35":"y",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"a #3",
@@ -6138,7 +6254,8 @@ module.exports={
       "40":"y",
       "41":"y",
       "42":"y",
-      "43":"y"
+      "43":"y",
+      "44":"y"
     },
     "safari":{
       "3.1":"a #2 #3",
@@ -6188,7 +6305,7 @@ module.exports={
       "6.0-6.1":"a",
       "7.0-7.1":"y",
       "8":"y",
-      "8.1":"y"
+      "8.1-8.3":"y"
     },
     "op_mini":{
       "5.0-8.0":"a #1"
@@ -6203,7 +6320,7 @@ module.exports={
       "4.2-4.3":"a #3",
       "4.4":"y",
       "4.4.3-4.4.4":"y",
-      "37":"y"
+      "40":"y"
     },
     "bb":{
       "7":"y",
@@ -6219,10 +6336,10 @@ module.exports={
       "24":"y"
     },
     "and_chr":{
-      "40":"y"
+      "41":"y"
     },
     "and_ff":{
-      "33":"y"
+      "36":"y"
     },
     "ie_mob":{
       "10":"y",
@@ -6238,8 +6355,8 @@ module.exports={
     "2":"Partial support in Safari 6 refers to not supporting background sizing offset from edges syntax.",
     "3":"Does not support `background-size` values in the `background` shorthand"
   },
-  "usage_perc_y":85.13,
-  "usage_perc_a":7.59,
+  "usage_perc_y":87.92,
+  "usage_perc_a":6.73,
   "ucprefix":false,
   "parent":"",
   "keywords":"",
@@ -6319,7 +6436,9 @@ module.exports={
       "35":"y",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"a x",
@@ -6361,7 +6480,8 @@ module.exports={
       "40":"y",
       "41":"y",
       "42":"y",
-      "43":"y"
+      "43":"y",
+      "44":"y"
     },
     "safari":{
       "3.1":"a x",
@@ -6411,10 +6531,10 @@ module.exports={
       "6.0-6.1":"y",
       "7.0-7.1":"y",
       "8":"y",
-      "8.1":"y"
+      "8.1-8.3":"y"
     },
     "op_mini":{
-      "5.0-8.0":"n"
+      "5.0-8.0":"a x"
     },
     "android":{
       "2.1":"a x",
@@ -6426,7 +6546,7 @@ module.exports={
       "4.2-4.3":"a x",
       "4.4":"y",
       "4.4.3-4.4.4":"y",
-      "37":"y"
+      "40":"y"
     },
     "bb":{
       "7":"a x",
@@ -6442,10 +6562,10 @@ module.exports={
       "24":"y"
     },
     "and_chr":{
-      "40":"y"
+      "41":"y"
     },
     "and_ff":{
-      "33":"y"
+      "36":"y"
     },
     "ie_mob":{
       "10":"n",
@@ -6455,12 +6575,12 @@ module.exports={
       "9.9":"y"
     }
   },
-  "notes":"Note that both the border-style and border-width must be specified for border-images to work according to spec, though older implementations may not have this requirement. Partial support refers to supporting the shorthand syntax, but not the individual properties (border-image-source, border-image-slice, etc). ",
+  "notes":"Note that both the `border-style` and `border-width` must be specified (not set to `none` or 0) for border-images to work according to spec, though older implementations may not have this requirement. Partial support refers to supporting the shorthand syntax, but not the individual properties (border-image-source, border-image-slice, etc). ",
   "notes_by_num":{
     
   },
-  "usage_perc_y":80.88,
-  "usage_perc_a":4.66,
+  "usage_perc_y":84.64,
+  "usage_perc_a":6.87,
   "ucprefix":false,
   "parent":"",
   "keywords":"",
@@ -6508,6 +6628,9 @@ module.exports={
     },
     {
       "description":"The stock browser on the Samsung Galaxy S4 with Android 4.2 does not support the `border-radius` shorthand property but does support the long-hand properties for each corner like `border-top-left-radius`."
+    },
+    {
+      "description":"Older versions of Safari [had a bug](https://bugs.webkit.org/show_bug.cgi?id=50072) where background images would bleed out of the border-radius."
     }
   ],
   "categories":[
@@ -6563,7 +6686,9 @@ module.exports={
       "35":"y",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"y x",
@@ -6605,16 +6730,17 @@ module.exports={
       "40":"y",
       "41":"y",
       "42":"y",
-      "43":"y"
+      "43":"y",
+      "44":"y"
     },
     "safari":{
       "3.1":"y x",
       "3.2":"y x",
       "4":"y x",
       "5":"y",
-      "5.1":"y",
-      "6":"y",
-      "6.1":"y",
+      "5.1":"y #1",
+      "6":"y #1",
+      "6.1":"y #1",
       "7":"y",
       "7.1":"y",
       "8":"y"
@@ -6655,7 +6781,7 @@ module.exports={
       "6.0-6.1":"y",
       "7.0-7.1":"y",
       "8":"y",
-      "8.1":"y"
+      "8.1-8.3":"y"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -6670,7 +6796,7 @@ module.exports={
       "4.2-4.3":"y",
       "4.4":"y",
       "4.4.3-4.4.4":"y",
-      "37":"y"
+      "40":"y"
     },
     "bb":{
       "7":"y",
@@ -6686,10 +6812,10 @@ module.exports={
       "24":"y"
     },
     "and_chr":{
-      "40":"y"
+      "41":"y"
     },
     "and_ff":{
-      "33":"y"
+      "36":"y"
     },
     "ie_mob":{
       "10":"y",
@@ -6701,10 +6827,10 @@ module.exports={
   },
   "notes":"",
   "notes_by_num":{
-    
+    "1":"Safari 6.1 and earlier did not apply `border-radius` correctly to image borders: http://stackoverflow.com/q/17202128"
   },
-  "usage_perc_y":89.66,
-  "usage_perc_a":0.01,
+  "usage_perc_y":91.89,
+  "usage_perc_a":0.02,
   "ucprefix":false,
   "parent":"",
   "keywords":"roundedcorners, border radius,-moz-border-radius",
@@ -6734,25 +6860,13 @@ module.exports={
   ],
   "bugs":[
     {
-      "description":"Safari 7.0 and older and Chrome 26 and older don't support viewport units in `calc()` expressions (fixed since then)."
+      "description":"IE10 crashes when a div with a property using `calc()` has a child with [same property with inherit](http://stackoverflow.com/questions/19423384/css-less-calc-method-is-crashing-my-ie10)."
     },
     {
-      "description":"`calc()` doesn't work [inside a transform in IE](http://connect.microsoft.com/IE/feedback/details/814380/css3-using-calc-inside-a-transform-is-invalid)"
+      "description":"IE 9 - 11 don't render `box-shadow` when `calc()` is used for any of the values"
     },
     {
-      "description":"IE9 appears to ignore `calc()` expressions when `display:table` is used."
-    },
-    {
-      "description":"Safari 6 has a bug where an element with a width defined using `calc()` has its width reset when changing the height using JS (fixed in Safari 7)."
-    },
-    {
-      "description":"IE11 and other browsers to a lesser extent have trouble supporting `calc()` inside [color or transform values](http://codepen.io/thebabydino/pen/wfraH)."
-    },
-    {
-      "description":"IE10 crashes when a div with a property using `calc()` has a child with [same property with `inherit`](http://stackoverflow.com/questions/19423384/css-less-calc-method-is-crashing-my-ie10)."
-    },
-    {
-      "description":"IE 9 - 11 don't render `box-shadow` when `calc()` is used for any of the values."
+      "description":"IE10 and IE11 don't support using `calc()` inside a `transform`. [Bug report](https://connect.microsoft.com/IE/feedback/details/814380/)"
     }
   ],
   "categories":[
@@ -6808,7 +6922,9 @@ module.exports={
       "35":"y",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"n",
@@ -6850,7 +6966,8 @@ module.exports={
       "40":"y",
       "41":"y",
       "42":"y",
-      "43":"y"
+      "43":"y",
+      "44":"y"
     },
     "safari":{
       "3.1":"n",
@@ -6900,7 +7017,7 @@ module.exports={
       "6.0-6.1":"y x",
       "7.0-7.1":"y",
       "8":"y",
-      "8.1":"y"
+      "8.1-8.3":"y"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -6915,11 +7032,11 @@ module.exports={
       "4.2-4.3":"n",
       "4.4":"a",
       "4.4.3-4.4.4":"a",
-      "37":"y"
+      "40":"y"
     },
     "bb":{
       "7":"n",
-      "10":"y x"
+      "10":"y"
     },
     "op_mob":{
       "10":"n",
@@ -6931,10 +7048,10 @@ module.exports={
       "24":"y"
     },
     "and_chr":{
-      "40":"y"
+      "41":"y"
     },
     "and_ff":{
-      "33":"y"
+      "36":"y"
     },
     "ie_mob":{
       "10":"y",
@@ -6948,8 +7065,8 @@ module.exports={
   "notes_by_num":{
     
   },
-  "usage_perc_y":75.77,
-  "usage_perc_a":5.66,
+  "usage_perc_y":78.46,
+  "usage_perc_a":5.24,
   "ucprefix":false,
   "parent":"",
   "keywords":"",
@@ -7041,7 +7158,9 @@ module.exports={
       "35":"y",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"y x",
@@ -7083,7 +7202,8 @@ module.exports={
       "40":"y x",
       "41":"y x",
       "42":"y x",
-      "43":"y x"
+      "43":"y",
+      "44":"y"
     },
     "safari":{
       "3.1":"n",
@@ -7133,7 +7253,7 @@ module.exports={
       "6.0-6.1":"y x",
       "7.0-7.1":"y x",
       "8":"y x",
-      "8.1":"y x"
+      "8.1-8.3":"y x"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -7148,7 +7268,7 @@ module.exports={
       "4.2-4.3":"y x",
       "4.4":"y x",
       "4.4.3-4.4.4":"y x",
-      "37":"y x"
+      "40":"y x"
     },
     "bb":{
       "7":"y x",
@@ -7164,10 +7284,10 @@ module.exports={
       "24":"y x"
     },
     "and_chr":{
-      "40":"y x"
+      "41":"y x"
     },
     "and_ff":{
-      "33":"y"
+      "36":"y"
     },
     "ie_mob":{
       "10":"y",
@@ -7181,8 +7301,8 @@ module.exports={
   "notes_by_num":{
     
   },
-  "usage_perc_y":87.15,
-  "usage_perc_a":0.15,
+  "usage_perc_y":89.92,
+  "usage_perc_a":0.11,
   "ucprefix":false,
   "parent":"",
   "keywords":"animations,css-animations,keyframe,keyframes",
@@ -7262,7 +7382,9 @@ module.exports={
       "35":"y",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"n",
@@ -7304,7 +7426,8 @@ module.exports={
       "40":"y x",
       "41":"y x",
       "42":"y x",
-      "43":"y x"
+      "43":"y x",
+      "44":"y x"
     },
     "safari":{
       "3.1":"n",
@@ -7354,7 +7477,7 @@ module.exports={
       "6.0-6.1":"n",
       "7.0-7.1":"y x",
       "8":"y x",
-      "8.1":"y x"
+      "8.1-8.3":"y x"
     },
     "op_mini":{
       "5.0-8.0":"y"
@@ -7369,7 +7492,7 @@ module.exports={
       "4.2-4.3":"n",
       "4.4":"y x",
       "4.4.3-4.4.4":"y x",
-      "37":"y x"
+      "40":"y x"
     },
     "bb":{
       "7":"u",
@@ -7385,10 +7508,10 @@ module.exports={
       "24":"y x"
     },
     "and_chr":{
-      "40":"y x"
+      "41":"y x"
     },
     "and_ff":{
-      "33":"y"
+      "36":"y"
     },
     "ie_mob":{
       "10":"n",
@@ -7402,7 +7525,7 @@ module.exports={
   "notes_by_num":{
     
   },
-  "usage_perc_y":69.86,
+  "usage_perc_y":73.09,
   "usage_perc_a":0,
   "ucprefix":false,
   "parent":"",
@@ -7497,7 +7620,9 @@ module.exports={
       "35":"y",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"y x",
@@ -7539,7 +7664,8 @@ module.exports={
       "40":"y",
       "41":"y",
       "42":"y",
-      "43":"y"
+      "43":"y",
+      "44":"y"
     },
     "safari":{
       "3.1":"a x",
@@ -7589,7 +7715,7 @@ module.exports={
       "6.0-6.1":"y",
       "7.0-7.1":"y",
       "8":"y",
-      "8.1":"y"
+      "8.1-8.3":"y"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -7604,7 +7730,7 @@ module.exports={
       "4.2-4.3":"y",
       "4.4":"y",
       "4.4.3-4.4.4":"y",
-      "37":"y"
+      "40":"y"
     },
     "bb":{
       "7":"y x",
@@ -7620,10 +7746,10 @@ module.exports={
       "24":"y"
     },
     "and_chr":{
-      "40":"y"
+      "41":"y"
     },
     "and_ff":{
-      "33":"y"
+      "36":"y"
     },
     "ie_mob":{
       "10":"y",
@@ -7633,12 +7759,12 @@ module.exports={
       "9.9":"y"
     }
   },
-  "notes":"Can be partially emulated in older IE versions using the non-standard \"shadow\" filter. Partial support in Safari, iOS Safari and Android Browser refers to missing \"inset\" and blur radius value support.",
+  "notes":"Can be partially emulated in older IE versions using the non-standard \"shadow\" filter. Partial support in Safari, iOS Safari and Android Browser refers to missing \"inset\", blur radius value, and multiple shadow support.",
   "notes_by_num":{
     
   },
-  "usage_perc_y":89.42,
-  "usage_perc_a":0.22,
+  "usage_perc_y":91.68,
+  "usage_perc_a":0.17,
   "ucprefix":false,
   "parent":"",
   "keywords":"box-shadows,boxshadows,box shadow,shaow",
@@ -7648,18 +7774,24 @@ module.exports={
 }
 },{}],64:[function(require,module,exports){
 module.exports={
-  "title":"Crisp Edges Image Rendering Algorithm",
-  "description":"Forces images to be scaled with an algorithm that preserves contrast and edges in the image, and which does not smooth colors or introduce blur to the image in the process. This is intended for images such as pixel art.",
+  "title":"Crisp edges/pixelated images",
+  "description":"Forces images to be scaled with an algorithm that preserves contrast and edges in the image, without smoothing colors or introduce blur. This is intended for images such as pixel art. Official values that accomplish this for the `image-rendering` property are `crisp-edges` and `pixelated`.",
   "spec":"http://dev.w3.org/csswg/css-images-3/#valdef-image-rendering-crisp-edges",
   "status":"unoff",
   "links":[
     {
       "url":"https://developer.mozilla.org/en-US/docs/Web/CSS/image-rendering",
       "title":"MDN article"
+    },
+    {
+      "url":"http://updates.html5rocks.com/2015/01/pixelated",
+      "title":"HTML5Rocks article"
     }
   ],
   "bugs":[
-    
+    {
+      "description":"`image-rendering:-webkit-optimize-contrast;` and `-ms-interpolation-mode:nearest-neighbor` do not affect CSS images."
+    }
   ],
   "categories":[
     "CSS",
@@ -7669,53 +7801,55 @@ module.exports={
     "ie":{
       "5.5":"n",
       "6":"n",
-      "7":"n",
-      "8":"n",
-      "9":"n",
-      "10":"n",
-      "11":"n",
-      "TP":"n"
+      "7":"a x #2",
+      "8":"a x #2",
+      "9":"a x #2",
+      "10":"a x #2",
+      "11":"a x #2",
+      "TP":"a x #2"
     },
     "firefox":{
       "2":"n",
       "3":"n",
       "3.5":"n",
-      "3.6":"y x",
-      "4":"y x",
-      "5":"y x",
-      "6":"y x",
-      "7":"y x",
-      "8":"y x",
-      "9":"y x",
-      "10":"y x",
-      "11":"y x",
-      "12":"y x",
-      "13":"y x",
-      "14":"y x",
-      "15":"y x",
-      "16":"y x",
-      "17":"y x",
-      "18":"y x",
-      "19":"y x",
-      "20":"y x",
-      "21":"y x",
-      "22":"y x",
-      "23":"y x",
-      "24":"y x",
-      "25":"y x",
-      "26":"y x",
-      "27":"y x",
-      "28":"y x",
-      "29":"y x",
-      "30":"y x",
-      "31":"y x",
-      "32":"y x",
-      "33":"y x",
-      "34":"y x",
-      "35":"y x",
-      "36":"y x",
-      "37":"y x",
-      "38":"y x"
+      "3.6":"y x #3",
+      "4":"y x #3",
+      "5":"y x #3",
+      "6":"y x #3",
+      "7":"y x #3",
+      "8":"y x #3",
+      "9":"y x #3",
+      "10":"y x #3",
+      "11":"y x #3",
+      "12":"y x #3",
+      "13":"y x #3",
+      "14":"y x #3",
+      "15":"y x #3",
+      "16":"y x #3",
+      "17":"y x #3",
+      "18":"y x #3",
+      "19":"y x #3",
+      "20":"y x #3",
+      "21":"y x #3",
+      "22":"y x #3",
+      "23":"y x #3",
+      "24":"y x #3",
+      "25":"y x #3",
+      "26":"y x #3",
+      "27":"y x #3",
+      "28":"y x #3",
+      "29":"y x #3",
+      "30":"y x #3",
+      "31":"y x #3",
+      "32":"y x #3",
+      "33":"y x #3",
+      "34":"y x #3",
+      "35":"y x #3",
+      "36":"y x #3",
+      "37":"y x #3",
+      "38":"y x #3",
+      "39":"y x #3",
+      "40":"y x #3"
     },
     "chrome":{
       "4":"n",
@@ -7724,52 +7858,53 @@ module.exports={
       "7":"n",
       "8":"n",
       "9":"n",
-      "10":"a x #1",
-      "11":"a x #1",
-      "12":"a x #1",
-      "13":"a x #1",
-      "14":"a x #1",
-      "15":"a x #1",
-      "16":"a x #1",
-      "17":"a x #1",
-      "18":"a x #1",
-      "19":"a x #1",
-      "20":"a x #1",
-      "21":"a x #1",
-      "22":"a x #1",
-      "23":"a x #1",
-      "24":"a x #1",
-      "25":"a x #1",
-      "26":"a x #1",
-      "27":"a x #1",
-      "28":"a x #1",
-      "29":"a x #1",
-      "30":"a x #1",
-      "31":"a x #1",
-      "32":"a x #1",
-      "33":"a x #1",
-      "34":"a x #1",
-      "35":"a x #1",
-      "36":"a x #1",
-      "37":"a x #1",
-      "38":"a x #1",
-      "39":"a x #1",
-      "40":"a x #1",
-      "41":"a x #1",
-      "42":"a x #1",
-      "43":"a x #1"
+      "10":"n",
+      "11":"n",
+      "12":"n",
+      "13":"n",
+      "14":"n",
+      "15":"n",
+      "16":"n",
+      "17":"n",
+      "18":"n",
+      "19":"n",
+      "20":"n",
+      "21":"n",
+      "22":"n",
+      "23":"n",
+      "24":"n",
+      "25":"n",
+      "26":"n",
+      "27":"n",
+      "28":"n",
+      "29":"n",
+      "30":"n",
+      "31":"n",
+      "32":"n",
+      "33":"n",
+      "34":"n",
+      "35":"n",
+      "36":"n",
+      "37":"n",
+      "38":"n",
+      "39":"n",
+      "40":"n",
+      "41":"y #4",
+      "42":"y #4",
+      "43":"y #4",
+      "44":"y #4"
     },
     "safari":{
       "3.1":"n",
       "3.2":"n",
       "4":"n",
       "5":"n",
-      "5.1":"a x #1",
+      "5.1":"n",
       "6":"a x #1",
-      "6.1":"a x #1",
-      "7":"a x #1",
-      "7.1":"a x #1",
-      "8":"a x #1"
+      "6.1":"y x #3",
+      "7":"y x #3",
+      "7.1":"y x #3",
+      "8":"y x #3"
     },
     "opera":{
       "9":"n",
@@ -7780,24 +7915,24 @@ module.exports={
       "11":"n",
       "11.1":"n",
       "11.5":"n",
-      "11.6":"y x",
-      "12":"y x",
-      "12.1":"y x",
-      "15":"a x #1",
-      "16":"a x #1",
-      "17":"a x #1",
-      "18":"a x #1",
-      "19":"a x #1",
-      "20":"a x #1",
-      "21":"a x #1",
-      "22":"a x #1",
-      "23":"a x #1",
-      "24":"a x #1",
-      "25":"a x #1",
-      "26":"a x #1",
-      "27":"a x #1",
-      "28":"a x #1",
-      "29":"a x #1"
+      "11.6":"y x #3",
+      "12":"y x #3",
+      "12.1":"y x #3",
+      "15":"n",
+      "16":"n",
+      "17":"n",
+      "18":"n",
+      "19":"n",
+      "20":"n",
+      "21":"n",
+      "22":"n",
+      "23":"n",
+      "24":"n",
+      "25":"n",
+      "26":"n",
+      "27":"n",
+      "28":"y #4",
+      "29":"y #4"
     },
     "ios_saf":{
       "3.2":"n",
@@ -7805,9 +7940,9 @@ module.exports={
       "4.2-4.3":"n",
       "5.0-5.1":"a x #1",
       "6.0-6.1":"a x #1",
-      "7.0-7.1":"a x #1",
-      "8":"a x #1",
-      "8.1":"a x #1"
+      "7.0-7.1":"y x #3",
+      "8":"y x #3",
+      "8.1-8.3":"y x #3"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -7818,51 +7953,54 @@ module.exports={
       "2.3":"n",
       "3":"n",
       "4":"n",
-      "4.1":"u",
-      "4.2-4.3":"u",
-      "4.4":"u",
-      "4.4.3-4.4.4":"u",
-      "37":"a x #1"
+      "4.1":"n",
+      "4.2-4.3":"n",
+      "4.4":"n",
+      "4.4.3-4.4.4":"n",
+      "40":"n"
     },
     "bb":{
       "7":"n",
-      "10":"n"
+      "10":"a x #1"
     },
     "op_mob":{
       "10":"n",
       "11":"n",
       "11.1":"n",
       "11.5":"n",
-      "12":"y x",
-      "12.1":"y x",
-      "24":"a x #1"
+      "12":"y x #3",
+      "12.1":"y x #3",
+      "24":"n"
     },
     "and_chr":{
-      "40":"a x #1"
+      "41":"y #4"
     },
     "and_ff":{
-      "33":"y x"
+      "36":"y x #3"
     },
     "ie_mob":{
-      "10":"n",
-      "11":"n"
+      "10":"a x #2",
+      "11":"a x #2"
     },
     "and_uc":{
-      "9.9":"u"
+      "9.9":"a x #1"
     }
   },
-  "notes":"",
+  "notes":"Note that prefixes apply to the value (e.g. `-moz-crisp-edges`), not the `image-rendering` property.",
   "notes_by_num":{
-    "1":"Chrome, Safari and Opera use non-standard value `-webkit-optimize-contrasts` instead of `crisp-edges`"
+    "1":"Supported using the non-standard value `-webkit-optimize-contrast`",
+    "2":"Internet Explorer accomplishes support using the non-standard declaration `-ms-interpolation-mode: nearest-neighbor`",
+    "3":"Supports the `crisp-edges` value, but not `pixelated`.",
+    "4":"Supports the `pixelated` value, but not `crisp-edges`."
   },
-  "usage_perc_y":12.21,
-  "usage_perc_a":53.95,
+  "usage_perc_y":51.81,
+  "usage_perc_a":18.47,
   "ucprefix":false,
   "parent":"",
   "keywords":"image-rendering,crisp-edges",
   "ie_id":"",
-  "chrome_id":"",
-  "shown":false
+  "chrome_id":"5118058116939776",
+  "shown":true
 }
 },{}],65:[function(require,module,exports){
 module.exports={
@@ -7936,7 +8074,9 @@ module.exports={
       "35":"n",
       "36":"n",
       "37":"n",
-      "38":"n"
+      "38":"n",
+      "39":"n",
+      "40":"n"
     },
     "chrome":{
       "4":"n",
@@ -7978,7 +8118,8 @@ module.exports={
       "40":"n",
       "41":"n",
       "42":"n",
-      "43":"n"
+      "43":"n",
+      "44":"n"
     },
     "safari":{
       "3.1":"n",
@@ -7987,10 +8128,10 @@ module.exports={
       "5":"n",
       "5.1":"n",
       "6":"n",
-      "6.1":"u",
-      "7":"u",
-      "7.1":"u",
-      "8":"u"
+      "6.1":"n",
+      "7":"n",
+      "7.1":"n",
+      "8":"n"
     },
     "opera":{
       "9":"n",
@@ -8028,7 +8169,7 @@ module.exports={
       "6.0-6.1":"n",
       "7.0-7.1":"n",
       "8":"n",
-      "8.1":"n"
+      "8.1-8.3":"n"
     },
     "op_mini":{
       "5.0-8.0":"a x #2"
@@ -8043,7 +8184,7 @@ module.exports={
       "4.2-4.3":"n",
       "4.4":"n",
       "4.4.3-4.4.4":"n",
-      "37":"n"
+      "40":"n"
     },
     "bb":{
       "7":"n",
@@ -8059,10 +8200,10 @@ module.exports={
       "24":"n"
     },
     "and_chr":{
-      "40":"n"
+      "41":"n"
     },
     "and_ff":{
-      "33":"n"
+      "36":"n"
     },
     "ie_mob":{
       "10":"a x #1",
@@ -8078,7 +8219,7 @@ module.exports={
     "2":"Opera Mobile and Opera Mini only support the 'orientation' property."
   },
   "usage_perc_y":0,
-  "usage_perc_a":13.81,
+  "usage_perc_a":12.78,
   "ucprefix":false,
   "parent":"",
   "keywords":"viewport",
@@ -8126,7 +8267,7 @@ module.exports={
       "9":"n",
       "10":"n",
       "11":"n",
-      "TP":"n"
+      "TP":"n d #2"
     },
     "firefox":{
       "2":"n",
@@ -8167,7 +8308,9 @@ module.exports={
       "35":"y",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"n",
@@ -8209,7 +8352,8 @@ module.exports={
       "40":"y x",
       "41":"y x",
       "42":"y x",
-      "43":"y x"
+      "43":"y x",
+      "44":"y x"
     },
     "safari":{
       "3.1":"n",
@@ -8259,7 +8403,7 @@ module.exports={
       "6.0-6.1":"y x",
       "7.0-7.1":"y x",
       "8":"y x",
-      "8.1":"y x"
+      "8.1-8.3":"y x"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -8274,7 +8418,7 @@ module.exports={
       "4.2-4.3":"n",
       "4.4":"y x",
       "4.4.3-4.4.4":"y x",
-      "37":"y x"
+      "40":"y x"
     },
     "bb":{
       "7":"n",
@@ -8290,10 +8434,10 @@ module.exports={
       "24":"y x"
     },
     "and_chr":{
-      "40":"y x"
+      "41":"y x"
     },
     "and_ff":{
-      "33":"a"
+      "36":"y"
     },
     "ie_mob":{
       "10":"n",
@@ -8305,15 +8449,16 @@ module.exports={
   },
   "notes":"Note that this property is significantly different from and incompatible with Microsoft's [older \"filter\" property](http://msdn.microsoft.com/en-us/library/ie/ms530752%28v=vs.85%29.aspx).\r\n\r\nPartial support in Firefox before version 34 [only implemented the url() function of the filter property](https://developer.mozilla.org/en-US/docs/Web/CSS/filter#Browser_compatibility)",
   "notes_by_num":{
-    "1":"Supported in Firefox under the `layout.css.filters.enabled` flag."
+    "1":"Supported in Firefox under the `layout.css.filters.enabled` flag.",
+    "2":"Supported in Project Spartan under the \"Enable CSS filter property\" flag. Supports filter functions, but not the `url` function."
   },
-  "usage_perc_y":60.79,
-  "usage_perc_a":11.71,
+  "usage_perc_y":73.76,
+  "usage_perc_a":2.66,
   "ucprefix":false,
   "parent":"",
   "keywords":"sepia,hue-rotate,invert,saturate",
   "ie_id":"filters",
-  "chrome_id":"",
+  "chrome_id":"5822463824887808",
   "shown":true
 }
 },{}],67:[function(require,module,exports){
@@ -8396,7 +8541,9 @@ module.exports={
       "35":"y",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"a x",
@@ -8438,7 +8585,8 @@ module.exports={
       "40":"y",
       "41":"y",
       "42":"y",
-      "43":"y"
+      "43":"y",
+      "44":"y"
     },
     "safari":{
       "3.1":"n",
@@ -8488,7 +8636,7 @@ module.exports={
       "6.0-6.1":"y x",
       "7.0-7.1":"y",
       "8":"y",
-      "8.1":"y"
+      "8.1-8.3":"y"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -8503,11 +8651,11 @@ module.exports={
       "4.2-4.3":"y x",
       "4.4":"y",
       "4.4.3-4.4.4":"y",
-      "37":"y"
+      "40":"y"
     },
     "bb":{
       "7":"a x",
-      "10":"y x"
+      "10":"y"
     },
     "op_mob":{
       "10":"n",
@@ -8519,10 +8667,10 @@ module.exports={
       "24":"y"
     },
     "and_chr":{
-      "40":"y"
+      "41":"y"
     },
     "and_ff":{
-      "33":"y"
+      "36":"y"
     },
     "ie_mob":{
       "10":"y",
@@ -8536,8 +8684,8 @@ module.exports={
   "notes_by_num":{
     
   },
-  "usage_perc_y":86.91,
-  "usage_perc_a":0.54,
+  "usage_perc_y":89.71,
+  "usage_perc_a":0.45,
   "ucprefix":false,
   "parent":"",
   "keywords":"linear,linear-gradient,gradiant",
@@ -8621,7 +8769,9 @@ module.exports={
       "35":"y x",
       "36":"y x",
       "37":"y x",
-      "38":"y x"
+      "38":"y x",
+      "39":"y x",
+      "40":"y x"
     },
     "chrome":{
       "4":"n",
@@ -8663,7 +8813,8 @@ module.exports={
       "40":"n",
       "41":"n",
       "42":"n",
-      "43":"n"
+      "43":"n",
+      "44":"n"
     },
     "safari":{
       "3.1":"n",
@@ -8713,7 +8864,7 @@ module.exports={
       "6.0-6.1":"y x",
       "7.0-7.1":"y x",
       "8":"y x",
-      "8.1":"y x"
+      "8.1-8.3":"y x"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -8728,7 +8879,7 @@ module.exports={
       "4.2-4.3":"n",
       "4.4":"n",
       "4.4.3-4.4.4":"n",
-      "37":"n"
+      "40":"n"
     },
     "bb":{
       "7":"n",
@@ -8744,10 +8895,10 @@ module.exports={
       "24":"n"
     },
     "and_chr":{
-      "40":"n"
+      "41":"n"
     },
     "and_ff":{
-      "33":"y x"
+      "36":"y x"
     },
     "ie_mob":{
       "10":"n",
@@ -8757,12 +8908,12 @@ module.exports={
       "9.9":"a x"
     }
   },
-  "notes":"Chrome 29- and Android 4.0 Browser support \"-webkit-hyphens: none\", but not the \"auto\" property. Chrome 30+ doesn't support it either.",
+  "notes":"Chrome 29- and Android 4.0 Browser support \"-webkit-hyphens: none\", but not the \"auto\" property. Chrome 30+ doesn't support it either. It is [advisable to set the @lang attribute](http://blog.adrianroselli.com/2015/01/on-use-of-lang-attribute.html) on the HTML element to enable hyphenation support and improve accessibility.",
   "notes_by_num":{
     
   },
-  "usage_perc_y":32.28,
-  "usage_perc_a":3.78,
+  "usage_perc_y":32.23,
+  "usage_perc_a":4.25,
   "ucprefix":false,
   "parent":"",
   "keywords":"hyphen,shy",
@@ -8775,7 +8926,7 @@ module.exports={
   "title":"CSS Logical Properties",
   "description":"Use start/end properties that depend on LTR or RTL writing direction instead of left/right",
   "spec":"http://dev.w3.org/csswg/css-logical-props/",
-  "status":"wd",
+  "status":"unoff",
   "links":[
     {
       "url":"https://developer.mozilla.org/en-US/docs/Web/CSS/-moz-margin-start",
@@ -8809,43 +8960,6 @@ module.exports={
       "3":"a x #1",
       "3.5":"a x #1",
       "3.6":"a x #1",
-      "4":"a x #1",
-      "5":"a x #1",
-      "6":"a x #1",
-      "7":"a x #1",
-      "8":"a x #1",
-      "9":"a x #1",
-      "10":"a x #1",
-      "11":"a x #1",
-      "12":"a x #1",
-      "13":"a x #1",
-      "14":"a x #1",
-      "15":"a x #1",
-      "16":"a x #1",
-      "17":"a x #1",
-      "18":"a x #1",
-      "19":"a x #1",
-      "20":"a x #1",
-      "21":"a x #1",
-      "22":"a x #1",
-      "23":"a x #1",
-      "24":"a x #1",
-      "25":"a x #1",
-      "26":"a x #1",
-      "27":"a x #1",
-      "28":"a x #1",
-      "29":"a x #1",
-      "30":"a x #1",
-      "31":"a x #1",
-      "32":"a x #1",
-      "33":"a x #1",
-      "34":"a x #1",
-      "35":"a x #1",
-      "36":"a x #1",
-      "37":"a x #1",
-      "38":"a x #1"
-    },
-    "chrome":{
       "4":"a x #1",
       "5":"a x #1",
       "6":"a x #1",
@@ -8882,22 +8996,62 @@ module.exports={
       "37":"a x #1",
       "38":"a x #1",
       "39":"a x #1",
-      "40":"a x #1",
-      "41":"a x #1",
-      "42":"a x #1",
-      "43":"a x #1"
+      "40":"a x #1"
+    },
+    "chrome":{
+      "4":"a x #2",
+      "5":"a x #2",
+      "6":"a x #2",
+      "7":"a x #2",
+      "8":"a x #2",
+      "9":"a x #2",
+      "10":"a x #2",
+      "11":"a x #2",
+      "12":"a x #2",
+      "13":"a x #2",
+      "14":"a x #2",
+      "15":"a x #2",
+      "16":"a x #2",
+      "17":"a x #2",
+      "18":"a x #2",
+      "19":"a x #2",
+      "20":"a x #2",
+      "21":"a x #2",
+      "22":"a x #2",
+      "23":"a x #2",
+      "24":"a x #2",
+      "25":"a x #2",
+      "26":"a x #2",
+      "27":"a x #2",
+      "28":"a x #2",
+      "29":"a x #2",
+      "30":"a x #2",
+      "31":"a x #2",
+      "32":"a x #2",
+      "33":"a x #2",
+      "34":"a x #2",
+      "35":"a x #2",
+      "36":"a x #2",
+      "37":"a x #2",
+      "38":"a x #2",
+      "39":"a x #2",
+      "40":"a x #2",
+      "41":"a x #2",
+      "42":"a x #2",
+      "43":"a x #2",
+      "44":"a x #2"
     },
     "safari":{
-      "3.1":"a x #1",
-      "3.2":"a x #1",
-      "4":"a x #1",
-      "5":"a x #1",
-      "5.1":"a x #1",
-      "6":"a x #1",
-      "6.1":"a x #1",
-      "7":"a x #1",
-      "7.1":"a x #1",
-      "8":"a x #1"
+      "3.1":"a x #2",
+      "3.2":"a x #2",
+      "4":"a x #2",
+      "5":"a x #2",
+      "5.1":"a x #2",
+      "6":"a x #2",
+      "6.1":"a x #2",
+      "7":"a x #2",
+      "7.1":"a x #2",
+      "8":"a x #2"
     },
     "opera":{
       "9":"n",
@@ -8911,50 +9065,50 @@ module.exports={
       "11.6":"n",
       "12":"n",
       "12.1":"n",
-      "15":"a x #1",
-      "16":"a x #1",
-      "17":"a x #1",
-      "18":"a x #1",
-      "19":"a x #1",
-      "20":"a x #1",
-      "21":"a x #1",
-      "22":"a x #1",
-      "23":"a x #1",
-      "24":"a x #1",
-      "25":"a x #1",
-      "26":"a x #1",
-      "27":"a x #1",
-      "28":"a x #1",
-      "29":"a x #1"
+      "15":"a x #2",
+      "16":"a x #2",
+      "17":"a x #2",
+      "18":"a x #2",
+      "19":"a x #2",
+      "20":"a x #2",
+      "21":"a x #2",
+      "22":"a x #2",
+      "23":"a x #2",
+      "24":"a x #2",
+      "25":"a x #2",
+      "26":"a x #2",
+      "27":"a x #2",
+      "28":"a x #2",
+      "29":"a x #2"
     },
     "ios_saf":{
-      "3.2":"a x #1",
-      "4.0-4.1":"a x #1",
-      "4.2-4.3":"a x #1",
-      "5.0-5.1":"a x #1",
-      "6.0-6.1":"a x #1",
-      "7.0-7.1":"a x #1",
-      "8":"a x #1",
-      "8.1":"a x #1"
+      "3.2":"a x #2",
+      "4.0-4.1":"a x #2",
+      "4.2-4.3":"a x #2",
+      "5.0-5.1":"a x #2",
+      "6.0-6.1":"a x #2",
+      "7.0-7.1":"a x #2",
+      "8":"a x #2",
+      "8.1-8.3":"a x #2"
     },
     "op_mini":{
       "5.0-8.0":"n"
     },
     "android":{
-      "2.1":"u",
-      "2.2":"u",
-      "2.3":"u",
-      "3":"u",
-      "4":"u",
-      "4.1":"u",
-      "4.2-4.3":"u",
-      "4.4":"u",
-      "4.4.3-4.4.4":"u",
-      "37":"a x #1"
+      "2.1":"a x #2",
+      "2.2":"a x #2",
+      "2.3":"a x #2",
+      "3":"a x #2",
+      "4":"a x #2",
+      "4.1":"a x #2",
+      "4.2-4.3":"a x #2",
+      "4.4":"a x #2",
+      "4.4.3-4.4.4":"a x #2",
+      "40":"a x #2"
     },
     "bb":{
-      "7":"u",
-      "10":"u"
+      "7":"a x #2",
+      "10":"a x #2"
     },
     "op_mob":{
       "10":"n",
@@ -8963,34 +9117,35 @@ module.exports={
       "11.5":"n",
       "12":"n",
       "12.1":"n",
-      "24":"a x #1"
+      "24":"a x #2"
     },
     "and_chr":{
-      "40":"a x #1"
+      "41":"a x #2"
     },
     "and_ff":{
-      "33":"a x #1"
+      "36":"a x #1"
     },
     "ie_mob":{
       "10":"n",
       "11":"n"
     },
     "and_uc":{
-      "9.9":"u"
+      "9.9":"a x #2"
     }
   },
   "notes":"",
   "notes_by_num":{
-    "1":"Supports only margin-start, margin-end, padding-start and padding-end"
+    "1":"Only supports the *-start, and *-end values for `margin`, `border` and `padding`, not the inline/block type values as defined in the spec.",
+    "2":"Like #1 but also supports `*-before` and `*-end` for `*-block-start` and `*-block-end` properties as well as `start` and `end` values for `text-align`"
   },
   "usage_perc_y":0,
-  "usage_perc_a":66.24,
+  "usage_perc_a":79.96,
   "ucprefix":false,
   "parent":"",
-  "keywords":"margin,padding,start,end,left,,right",
+  "keywords":"margin-start,margin-end,padding-start,padding-end,border-start,border-end,inline-start,inline-end,block-start,block-end",
   "ie_id":"",
   "chrome_id":"",
-  "shown":false
+  "shown":true
 }
 },{}],70:[function(require,module,exports){
 module.exports={
@@ -9068,7 +9223,9 @@ module.exports={
       "35":"a",
       "36":"a",
       "37":"a",
-      "38":"a"
+      "38":"a",
+      "39":"a",
+      "40":"a"
     },
     "chrome":{
       "4":"a x",
@@ -9110,7 +9267,8 @@ module.exports={
       "40":"a x",
       "41":"a x",
       "42":"a x",
-      "43":"a x"
+      "43":"a x",
+      "44":"a x"
     },
     "safari":{
       "3.1":"n",
@@ -9160,7 +9318,7 @@ module.exports={
       "6.0-6.1":"a x",
       "7.0-7.1":"a x",
       "8":"a x",
-      "8.1":"a x"
+      "8.1-8.3":"a x"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -9175,7 +9333,7 @@ module.exports={
       "4.2-4.3":"a x",
       "4.4":"a x",
       "4.4.3-4.4.4":"a x",
-      "37":"a x"
+      "40":"a x"
     },
     "bb":{
       "7":"a x",
@@ -9191,10 +9349,10 @@ module.exports={
       "24":"a x"
     },
     "and_chr":{
-      "40":"a x"
+      "41":"a x"
     },
     "and_ff":{
-      "33":"a"
+      "36":"a"
     },
     "ie_mob":{
       "10":"n",
@@ -9209,7 +9367,7 @@ module.exports={
     
   },
   "usage_perc_y":0,
-  "usage_perc_a":76.49,
+  "usage_perc_a":79.91,
   "ucprefix":false,
   "parent":"",
   "keywords":"",
@@ -9230,7 +9388,9 @@ module.exports={
     }
   ],
   "bugs":[
-    
+    {
+      "description":"Project Spartan technical preview has a bug where `min-resolution` less than `1dpcm` [is ignored](http://jsfiddle.net/behmjd5t/)."
+    }
   ],
   "categories":[
     "CSS",
@@ -9245,25 +9405,25 @@ module.exports={
       "9":"a #1",
       "10":"a #1",
       "11":"a #1",
-      "TP":"a #2"
+      "TP":"y"
     },
     "firefox":{
       "2":"n",
       "3":"n",
-      "3.5":"a #3",
-      "3.6":"a #3",
-      "4":"a #3",
-      "5":"a #3",
-      "6":"a #3",
-      "7":"a #3",
-      "8":"a #3",
-      "9":"a #3",
-      "10":"a #3",
-      "11":"a #3",
-      "12":"a #3",
-      "13":"a #3",
-      "14":"a #3",
-      "15":"a #3",
+      "3.5":"a #2",
+      "3.6":"a #2",
+      "4":"a #2",
+      "5":"a #2",
+      "6":"a #2",
+      "7":"a #2",
+      "8":"a #2",
+      "9":"a #2",
+      "10":"a #2",
+      "11":"a #2",
+      "12":"a #2",
+      "13":"a #2",
+      "14":"a #2",
+      "15":"a #2",
       "16":"y",
       "17":"y",
       "18":"y",
@@ -9286,34 +9446,36 @@ module.exports={
       "35":"y",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
-      "4":"a x #4",
-      "5":"a x #4",
-      "6":"a x #4",
-      "7":"a x #4",
-      "8":"a x #4",
-      "9":"a x #4",
-      "10":"a x #4",
-      "11":"a x #4",
-      "12":"a x #4",
-      "13":"a x #4",
-      "14":"a x #4",
-      "15":"a x #4",
-      "16":"a x #4",
-      "17":"a x #4",
-      "18":"a x #4",
-      "19":"a x #4",
-      "20":"a x #4",
-      "21":"a x #4",
-      "22":"a x #4",
-      "23":"a x #4",
-      "24":"a x #4",
-      "25":"a x #4",
-      "26":"a x #4",
-      "27":"a x #4",
-      "28":"a x #4",
+      "4":"a x #3",
+      "5":"a x #3",
+      "6":"a x #3",
+      "7":"a x #3",
+      "8":"a x #3",
+      "9":"a x #3",
+      "10":"a x #3",
+      "11":"a x #3",
+      "12":"a x #3",
+      "13":"a x #3",
+      "14":"a x #3",
+      "15":"a x #3",
+      "16":"a x #3",
+      "17":"a x #3",
+      "18":"a x #3",
+      "19":"a x #3",
+      "20":"a x #3",
+      "21":"a x #3",
+      "22":"a x #3",
+      "23":"a x #3",
+      "24":"a x #3",
+      "25":"a x #3",
+      "26":"a x #3",
+      "27":"a x #3",
+      "28":"a x #3",
       "29":"y",
       "30":"y",
       "31":"y",
@@ -9328,31 +9490,32 @@ module.exports={
       "40":"y",
       "41":"y",
       "42":"y",
-      "43":"y"
+      "43":"y",
+      "44":"y"
     },
     "safari":{
       "3.1":"n",
       "3.2":"n",
-      "4":"a x #4",
-      "5":"a x #4",
-      "5.1":"a x #4",
-      "6":"a x #4",
-      "6.1":"a x #4",
-      "7":"a x #4",
-      "7.1":"a x #4",
-      "8":"a x #4"
+      "4":"a x #3",
+      "5":"a x #3",
+      "5.1":"a x #3",
+      "6":"a x #3",
+      "6.1":"a x #3",
+      "7":"a x #3",
+      "7.1":"a x #3",
+      "8":"a x #3"
     },
     "opera":{
       "9":"n",
-      "9.5-9.6":"a x #4",
-      "10.0-10.1":"a x #4",
-      "10.5":"a x #4",
-      "10.6":"a x #4",
-      "11":"a x #4",
-      "11.1":"a x #4",
-      "11.5":"a x #4",
-      "11.6":"a x #4",
-      "12":"a x #4",
+      "9.5-9.6":"a x #3",
+      "10.0-10.1":"a x #3",
+      "10.5":"a x #3",
+      "10.6":"a x #3",
+      "11":"a x #3",
+      "11.1":"a x #3",
+      "11.5":"a x #3",
+      "11.6":"a x #3",
+      "12":"a x #3",
       "12.1":"y",
       "15":"y",
       "16":"y",
@@ -9372,13 +9535,13 @@ module.exports={
     },
     "ios_saf":{
       "3.2":"u",
-      "4.0-4.1":"a x #4",
-      "4.2-4.3":"a x #4",
-      "5.0-5.1":"a x #4",
-      "6.0-6.1":"a x #4",
-      "7.0-7.1":"a x #4",
-      "8":"a x #4",
-      "8.1":"a x #4"
+      "4.0-4.1":"a x #3",
+      "4.2-4.3":"a x #3",
+      "5.0-5.1":"a x #3",
+      "6.0-6.1":"a x #3",
+      "7.0-7.1":"a x #3",
+      "8":"a x #3",
+      "8.1-8.3":"a x #3"
     },
     "op_mini":{
       "5.0-8.0":"a #1"
@@ -9388,16 +9551,16 @@ module.exports={
       "2.2":"u",
       "2.3":"u",
       "3":"u",
-      "4":"a x #4",
-      "4.1":"a x #4",
-      "4.2-4.3":"a x #4",
+      "4":"a x #3",
+      "4.1":"a x #3",
+      "4.2-4.3":"a x #3",
       "4.4":"y",
       "4.4.3-4.4.4":"y",
-      "37":"y"
+      "40":"y"
     },
     "bb":{
-      "7":"a x #4",
-      "10":"a x #4"
+      "7":"a x #3",
+      "10":"a x #3"
     },
     "op_mob":{
       "10":"u",
@@ -9409,28 +9572,28 @@ module.exports={
       "24":"y"
     },
     "and_chr":{
-      "40":"y"
+      "41":"y"
     },
     "and_ff":{
-      "33":"y"
+      "36":"y"
     },
     "ie_mob":{
       "10":"a #1",
       "11":"a #1"
     },
     "and_uc":{
-      "9.9":"a x #4"
+      "9.9":"a x #3"
     }
   },
   "notes":"",
   "notes_by_num":{
     "1":"Supports the `dpi` unit, but does not support `dppx` or `dpcm` units.",
-    "2":"Supports the `dpi` and `dppx` units, but does not support `dpcm` units.",
-    "3":"Firefox before 16 supports only `dpi` unit, but you can set `2dppx` per `min--moz-device-pixel-ratio: 2`",
-    "4":"Supporte the non-standard `min`/`max-device-pixel-ratio`"
+    "2":"Firefox before 16 supports only `dpi` unit, but you can set `2dppx` per `min--moz-device-pixel-ratio: 2`",
+    "3":"Support the non-standard `min`/`max-device-pixel-ratio`",
+    "4":"Support the non-standard `min`/`max-device-pixel-ratio`"
   },
-  "usage_perc_y":57.96,
-  "usage_perc_a":34.61,
+  "usage_perc_y":61.17,
+  "usage_perc_a":33.39,
   "ucprefix":false,
   "parent":"css-mediaqueries",
   "keywords":"@media,device-pixel-ratio,resolution",
@@ -9441,9 +9604,9 @@ module.exports={
 },{}],72:[function(require,module,exports){
 module.exports={
   "title":":placeholder-shown CSS pseudo-class",
-  "description":"The :placeholder-shown pseudo-class represents the placeholder contents of a form field with placeholder text.",
-  "spec":"http://dev.w3.org/csswg/selectors/#placeholder",
-  "status":"unoff",
+  "description":"The :placeholder-shown pseudo-class represents a form element with visible placeholder contents.",
+  "spec":"http://www.w3.org/TR/selectors4/#placeholder",
+  "status":"wd",
   "links":[
     {
       "url":"http://msdn.microsoft.com/en-us/library/ie/hh772745(v=vs.85).aspx",
@@ -9514,7 +9677,9 @@ module.exports={
       "35":"a x",
       "36":"a x",
       "37":"a x",
-      "38":"a x"
+      "38":"a x",
+      "39":"a x",
+      "40":"a x"
     },
     "chrome":{
       "4":"a x",
@@ -9556,7 +9721,8 @@ module.exports={
       "40":"a x",
       "41":"a x",
       "42":"a x",
-      "43":"a x"
+      "43":"a x",
+      "44":"a x"
     },
     "safari":{
       "3.1":"n",
@@ -9606,7 +9772,7 @@ module.exports={
       "6.0-6.1":"a x",
       "7.0-7.1":"a x",
       "8":"a x",
-      "8.1":"a x"
+      "8.1-8.3":"a x"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -9621,7 +9787,7 @@ module.exports={
       "4.2-4.3":"a x",
       "4.4":"a x",
       "4.4.3-4.4.4":"a x",
-      "37":"a x"
+      "40":"a x"
     },
     "bb":{
       "7":"u",
@@ -9637,10 +9803,10 @@ module.exports={
       "24":"a x"
     },
     "and_chr":{
-      "40":"a x"
+      "41":"a x"
     },
     "and_ff":{
-      "33":"a x"
+      "36":"a x"
     },
     "ie_mob":{
       "10":"a x",
@@ -9650,12 +9816,12 @@ module.exports={
       "9.9":"a x"
     }
   },
-  "notes":"Partial support refers to support for alternative syntax: ::-webkit-input-placeholder (Chrome/Safari/Opera),\r\n::-moz-placeholder (Firefox) and \r\n:-ms-input-placeholder (IE). ",
+  "notes":"Partial support refers to support for styling just the placeholder text, rather than the actual element itself: `::-webkit-input-placeholder` (Chrome/Safari/Opera),\r\n`::-moz-placeholder` (Firefox) and \r\n`:-ms-input-placeholder` (IE). ",
   "notes_by_num":{
     
   },
   "usage_perc_y":0,
-  "usage_perc_a":86.95,
+  "usage_perc_a":89.67,
   "ucprefix":false,
   "parent":"",
   "keywords":"::placeholder,placeholder",
@@ -9667,8 +9833,8 @@ module.exports={
 module.exports={
   "title":"::selection CSS pseudo-element",
   "description":"The ::selection CSS pseudo-element applies rules to the portion of a document that has been highlighted (e.g., selected with the mouse or another pointing device) by the user.",
-  "spec":"https://developer.mozilla.org/en-US/docs/Web/CSS/::selection",
-  "status":"unoff",
+  "spec":"http://www.w3.org/TR/css-pseudo-4/#selectordef-selection",
+  "status":"wd",
   "links":[
     {
       "url":"http://quirksmode.org/css/selectors/selection.html",
@@ -9735,7 +9901,9 @@ module.exports={
       "35":"y x",
       "36":"y x",
       "37":"y x",
-      "38":"y x"
+      "38":"y x",
+      "39":"y x",
+      "40":"y x"
     },
     "chrome":{
       "4":"y",
@@ -9777,7 +9945,8 @@ module.exports={
       "40":"y",
       "41":"y",
       "42":"y",
-      "43":"y"
+      "43":"y",
+      "44":"y"
     },
     "safari":{
       "3.1":"y",
@@ -9827,7 +9996,7 @@ module.exports={
       "6.0-6.1":"n",
       "7.0-7.1":"n",
       "8":"n",
-      "8.1":"n"
+      "8.1-8.3":"n"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -9842,11 +10011,11 @@ module.exports={
       "4.2-4.3":"n",
       "4.4":"y",
       "4.4.3-4.4.4":"y",
-      "37":"y"
+      "40":"y"
     },
     "bb":{
       "7":"n",
-      "10":"n"
+      "10":"y"
     },
     "op_mob":{
       "10":"u",
@@ -9858,10 +10027,10 @@ module.exports={
       "24":"y"
     },
     "and_chr":{
-      "40":"y"
+      "41":"y"
     },
     "and_ff":{
-      "33":"y x"
+      "36":"y x"
     },
     "ie_mob":{
       "10":"y",
@@ -9875,7 +10044,7 @@ module.exports={
   "notes_by_num":{
     
   },
-  "usage_perc_y":75.25,
+  "usage_perc_y":77.96,
   "usage_perc_a":0,
   "ucprefix":false,
   "parent":"",
@@ -9960,7 +10129,9 @@ module.exports={
       "35":"n",
       "36":"n",
       "37":"n",
-      "38":"n"
+      "38":"n",
+      "39":"n",
+      "40":"n"
     },
     "chrome":{
       "4":"n",
@@ -10002,7 +10173,8 @@ module.exports={
       "40":"y",
       "41":"y",
       "42":"y",
-      "43":"y"
+      "43":"y",
+      "44":"y"
     },
     "safari":{
       "3.1":"n",
@@ -10052,7 +10224,7 @@ module.exports={
       "6.0-6.1":"n",
       "7.0-7.1":"n",
       "8":"y x",
-      "8.1":"y x"
+      "8.1-8.3":"y x"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -10067,7 +10239,7 @@ module.exports={
       "4.2-4.3":"n",
       "4.4":"n",
       "4.4.3-4.4.4":"n",
-      "37":"y"
+      "40":"y"
     },
     "bb":{
       "7":"n",
@@ -10083,10 +10255,10 @@ module.exports={
       "24":"y"
     },
     "and_chr":{
-      "40":"y"
+      "41":"y"
     },
     "and_ff":{
-      "33":"n"
+      "36":"n"
     },
     "ie_mob":{
       "10":"n",
@@ -10100,7 +10272,7 @@ module.exports={
   "notes_by_num":{
     "1":"Enabled in Chrome through the \"experimental Web Platform features\" flag in chrome://flags"
   },
-  "usage_perc_y":46.02,
+  "usage_perc_y":50.55,
   "usage_perc_a":0,
   "ucprefix":false,
   "parent":"",
@@ -10195,7 +10367,9 @@ module.exports={
       "35":"y",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"n",
@@ -10237,7 +10411,8 @@ module.exports={
       "40":"n",
       "41":"n",
       "42":"n",
-      "43":"n"
+      "43":"n",
+      "44":"n"
     },
     "safari":{
       "3.1":"n",
@@ -10287,7 +10462,7 @@ module.exports={
       "6.0-6.1":"y x",
       "7.0-7.1":"y x",
       "8":"y x",
-      "8.1":"y x"
+      "8.1-8.3":"y x"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -10302,7 +10477,7 @@ module.exports={
       "4.2-4.3":"n",
       "4.4":"n",
       "4.4.3-4.4.4":"n",
-      "37":"n"
+      "40":"n"
     },
     "bb":{
       "7":"n",
@@ -10318,10 +10493,10 @@ module.exports={
       "24":"n"
     },
     "and_chr":{
-      "40":"n"
+      "41":"n"
     },
     "and_ff":{
-      "33":"y"
+      "36":"y"
     },
     "ie_mob":{
       "10":"n",
@@ -10336,7 +10511,7 @@ module.exports={
     "1":"Can be enabled in Firefox by setting the about:config preference layout.css.sticky.enabled to true",
     "2":"Enabled in Chrome through the \"experimental Web Platform features\" flag in chrome://flags"
   },
-  "usage_perc_y":20.09,
+  "usage_perc_y":20.74,
   "usage_perc_a":0,
   "ucprefix":false,
   "parent":"",
@@ -10417,7 +10592,9 @@ module.exports={
       "35":"y x",
       "36":"y x",
       "37":"y x",
-      "38":"y x"
+      "38":"y x",
+      "39":"y x",
+      "40":"y x"
     },
     "chrome":{
       "4":"n",
@@ -10459,7 +10636,8 @@ module.exports={
       "40":"n d #2",
       "41":"n d #2",
       "42":"n d #2",
-      "43":"n d #2"
+      "43":"n d #2",
+      "44":"n d #2"
     },
     "safari":{
       "3.1":"n",
@@ -10509,7 +10687,7 @@ module.exports={
       "6.0-6.1":"n",
       "7.0-7.1":"n",
       "8":"n",
-      "8.1":"n"
+      "8.1-8.3":"n"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -10524,7 +10702,7 @@ module.exports={
       "4.2-4.3":"n",
       "4.4":"n",
       "4.4.3-4.4.4":"n",
-      "37":"n"
+      "40":"n"
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@@ -10540,10 +10718,10 @@ module.exports={
       "24":"n"
     },
     "and_chr":{
-      "40":"n"
+      "41":"n"
     },
     "and_ff":{
-      "33":"y x"
+      "36":"y x"
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     "ie_mob":{
       "10":"a #1",
@@ -10559,8 +10737,8 @@ module.exports={
     "2":"Enabled through the \"Enable Experimental Web Platform Features\" flag in chrome://flags",
     "3":"Enabled through the \"Enable Experimental Web Platform Features\" flag in opera://flags"
   },
-  "usage_perc_y":11.65,
-  "usage_perc_a":17.19,
+  "usage_perc_y":12.09,
+  "usage_perc_a":14.15,
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   "parent":"",
   "keywords":"text align last",
@@ -10571,7 +10749,7 @@ module.exports={
 },{}],77:[function(require,module,exports){
 module.exports={
   "title":"CSS3 Transitions",
-  "description":"Simple method of animating certain properties of an element",
+  "description":"Simple method of animating certain properties of an element.",
   "spec":"http://www.w3.org/TR/css3-transitions/",
   "status":"wd",
   "links":[
@@ -10660,7 +10838,9 @@ module.exports={
       "35":"y",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"y x",
@@ -10702,7 +10882,8 @@ module.exports={
       "40":"y",
       "41":"y",
       "42":"y",
-      "43":"y"
+      "43":"y",
+      "44":"y"
     },
     "safari":{
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@@ -10752,7 +10933,7 @@ module.exports={
       "6.0-6.1":"y x",
       "7.0-7.1":"y",
       "8":"y",
-      "8.1":"y"
+      "8.1-8.3":"y"
     },
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@@ -10767,11 +10948,11 @@ module.exports={
       "4.2-4.3":"y x",
       "4.4":"y",
       "4.4.3-4.4.4":"y",
-      "37":"y"
+      "40":"y"
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     "bb":{
       "7":"y x",
-      "10":"y x"
+      "10":"y"
     },
     "op_mob":{
       "10":"y x",
@@ -10783,10 +10964,10 @@ module.exports={
       "24":"y"
     },
     "and_chr":{
-      "40":"y"
+      "41":"y"
     },
     "and_ff":{
-      "33":"y"
+      "36":"y"
     },
     "ie_mob":{
       "10":"y",
@@ -10796,15 +10977,15 @@ module.exports={
       "9.9":"y x"
     }
   },
-  "notes":"",
+  "notes":"Support listed is for `transition` properties as well as the `transitionend` event. The prefixed name in WebKit browsers is `webkitTransitionEnd`",
   "notes_by_num":{
     
   },
-  "usage_perc_y":87.4,
+  "usage_perc_y":90.12,
   "usage_perc_a":0,
   "ucprefix":false,
   "parent":"",
-  "keywords":"css transition",
+  "keywords":"css transition,transitionend",
   "ie_id":"",
   "chrome_id":"",
   "shown":true
@@ -10849,6 +11030,9 @@ module.exports={
     },
     {
       "description":"IE 8 ignores `box-sizing: border-box` if min/max-width/height is used."
+    },
+    {
+      "description":"Chrome has problems selecting options from the `select` element when using `box-sizing: border-box` and browser zoom level is less than 100%."
     }
   ],
   "categories":[
@@ -10904,7 +11088,9 @@ module.exports={
       "35":"y",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"a x",
@@ -10946,7 +11132,8 @@ module.exports={
       "40":"a",
       "41":"a",
       "42":"a",
-      "43":"a"
+      "43":"a",
+      "44":"a"
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     "safari":{
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@@ -10996,7 +11183,7 @@ module.exports={
       "6.0-6.1":"a",
       "7.0-7.1":"a",
       "8":"a",
-      "8.1":"a"
+      "8.1-8.3":"a"
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@@ -11011,7 +11198,7 @@ module.exports={
       "4.2-4.3":"a",
       "4.4":"a",
       "4.4.3-4.4.4":"a",
-      "37":"a"
+      "40":"a"
     },
     "bb":{
       "7":"a x",
@@ -11027,10 +11214,10 @@ module.exports={
       "24":"a"
     },
     "and_chr":{
-      "40":"a"
+      "41":"a"
     },
     "and_ff":{
-      "33":"y"
+      "36":"y"
     },
     "ie_mob":{
       "10":"a",
@@ -11044,8 +11231,8 @@ module.exports={
   "notes_by_num":{
     
   },
-  "usage_perc_y":12,
-  "usage_perc_a":84.84,
+  "usage_perc_y":12.4,
+  "usage_perc_a":84.66,
   "ucprefix":false,
   "parent":"",
   "keywords":"border-box,content-box,padding-box",
@@ -11121,7 +11308,9 @@ module.exports={
       "35":"y",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"y x",
@@ -11163,7 +11352,8 @@ module.exports={
       "40":"y",
       "41":"y",
       "42":"y",
-      "43":"y"
+      "43":"y",
+      "44":"y"
     },
     "safari":{
       "3.1":"y x",
@@ -11213,7 +11403,7 @@ module.exports={
       "6.0-6.1":"n",
       "7.0-7.1":"n",
       "8":"n",
-      "8.1":"n"
+      "8.1-8.3":"n"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -11228,7 +11418,7 @@ module.exports={
       "4.2-4.3":"n",
       "4.4":"n",
       "4.4.3-4.4.4":"n",
-      "37":"n"
+      "40":"n"
     },
     "bb":{
       "7":"y x",
@@ -11244,10 +11434,10 @@ module.exports={
       "24":"n"
     },
     "and_chr":{
-      "40":"n"
+      "41":"n"
     },
     "and_ff":{
-      "33":"n"
+      "36":"n"
     },
     "ie_mob":{
       "10":"n",
@@ -11261,7 +11451,7 @@ module.exports={
   "notes_by_num":{
     
   },
-  "usage_perc_y":48.23,
+  "usage_perc_y":51.62,
   "usage_perc_a":0,
   "ucprefix":false,
   "parent":"",
@@ -11306,41 +11496,43 @@ module.exports={
       "3":"n",
       "3.5":"n",
       "3.6":"n",
-      "4":"y x",
-      "5":"y x",
-      "6":"y x",
-      "7":"y x",
-      "8":"y x",
-      "9":"y x",
-      "10":"y x",
-      "11":"y x",
-      "12":"y x",
-      "13":"y x",
-      "14":"y x",
-      "15":"y x",
-      "16":"y x",
-      "17":"y x",
-      "18":"y x",
-      "19":"y x",
-      "20":"y x",
-      "21":"y x",
-      "22":"y x",
-      "23":"y x",
-      "24":"y x",
-      "25":"y x",
-      "26":"y x",
-      "27":"y x",
-      "28":"y x",
-      "29":"y x",
-      "30":"y x",
-      "31":"y x",
-      "32":"y x",
-      "33":"y x",
-      "34":"y x",
-      "35":"y x",
-      "36":"y x",
-      "37":"y x",
-      "38":"y x"
+      "4":"a x #1",
+      "5":"a x #1",
+      "6":"a x #1",
+      "7":"a x #1",
+      "8":"a x #1",
+      "9":"a x #1",
+      "10":"a x #1",
+      "11":"a x #1",
+      "12":"a x #1",
+      "13":"a x #1",
+      "14":"a x #1",
+      "15":"a x #1",
+      "16":"a x #1",
+      "17":"a x #1",
+      "18":"a x #1",
+      "19":"a x #1",
+      "20":"a x #1",
+      "21":"a x #1",
+      "22":"a x #1",
+      "23":"a x #1",
+      "24":"a x #1",
+      "25":"a x #1",
+      "26":"a x #1",
+      "27":"a x #1",
+      "28":"a x #1",
+      "29":"a x #1",
+      "30":"a x #1",
+      "31":"a x #1",
+      "32":"a x #1",
+      "33":"a x #1",
+      "34":"a x #1",
+      "35":"a x #1",
+      "36":"a x #1",
+      "37":"a x #1",
+      "38":"a x #1",
+      "39":"a x #1",
+      "40":"a x #1"
     },
     "chrome":{
       "4":"n",
@@ -11360,29 +11552,30 @@ module.exports={
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       "19":"n",
       "20":"n",
-      "21":"y",
-      "22":"y",
-      "23":"y",
-      "24":"y",
-      "25":"y",
-      "26":"y",
-      "27":"y",
-      "28":"y",
-      "29":"y",
-      "30":"y",
-      "31":"y",
-      "32":"y",
-      "33":"y",
-      "34":"y",
-      "35":"y",
-      "36":"y",
-      "37":"y",
-      "38":"y",
-      "39":"y",
-      "40":"y",
-      "41":"y",
+      "21":"a #1",
+      "22":"a #1",
+      "23":"a #1",
+      "24":"a #1",
+      "25":"a #1",
+      "26":"a #1",
+      "27":"a #1",
+      "28":"a #1",
+      "29":"a #1",
+      "30":"a #1",
+      "31":"a #1",
+      "32":"a #1",
+      "33":"a #1",
+      "34":"a #1",
+      "35":"a #1",
+      "36":"a #1",
+      "37":"a #1",
+      "38":"a #1",
+      "39":"a #1",
+      "40":"a #1",
+      "41":"a #1",
       "42":"y",
-      "43":"y"
+      "43":"y",
+      "44":"y"
     },
     "safari":{
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@@ -11391,37 +11584,37 @@ module.exports={
       "5":"n",
       "5.1":"n",
       "6":"n",
-      "6.1":"y",
-      "7":"y",
-      "7.1":"y",
-      "8":"y"
+      "6.1":"a #1",
+      "7":"a #1",
+      "7.1":"a #1",
+      "8":"a #1"
     },
     "opera":{
       "9":"n",
       "9.5-9.6":"n",
       "10.0-10.1":"n",
       "10.5":"n",
-      "10.6":"y x",
-      "11":"y x",
-      "11.1":"y x",
-      "11.5":"y x",
-      "11.6":"y x",
-      "12":"y x",
-      "12.1":"y x",
-      "15":"y",
-      "16":"y",
-      "17":"y",
-      "18":"y",
-      "19":"y",
-      "20":"y",
-      "21":"y",
-      "22":"y",
-      "23":"y",
-      "24":"y",
-      "25":"y",
-      "26":"y",
-      "27":"y",
-      "28":"y",
+      "10.6":"a x #1",
+      "11":"a x #1",
+      "11.1":"a x #1",
+      "11.5":"a x #1",
+      "11.6":"a x #1",
+      "12":"a x #1",
+      "12.1":"a x #1",
+      "15":"a #1",
+      "16":"a #1",
+      "17":"a #1",
+      "18":"a #1",
+      "19":"a #1",
+      "20":"a #1",
+      "21":"a #1",
+      "22":"a #1",
+      "23":"a #1",
+      "24":"a #1",
+      "25":"a #1",
+      "26":"a #1",
+      "27":"a #1",
+      "28":"a #1",
       "29":"y"
     },
     "ios_saf":{
@@ -11430,12 +11623,12 @@ module.exports={
       "4.2-4.3":"n",
       "5.0-5.1":"n",
       "6.0-6.1":"n",
-      "7.0-7.1":"y",
-      "8":"y",
-      "8.1":"y"
+      "7.0-7.1":"a #1",
+      "8":"a #1",
+      "8.1-8.3":"a #1"
     },
     "op_mini":{
-      "5.0-8.0":"y x"
+      "5.0-8.0":"a x #1"
     },
     "android":{
       "2.1":"n",
@@ -11445,28 +11638,28 @@ module.exports={
       "4":"n",
       "4.1":"n",
       "4.2-4.3":"n",
-      "4.4":"y",
-      "4.4.3-4.4.4":"y",
-      "37":"y"
+      "4.4":"a #1",
+      "4.4.3-4.4.4":"a #1",
+      "40":"a #1"
     },
     "bb":{
-      "7":"y",
-      "10":"y"
+      "7":"a #1",
+      "10":"a #1"
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     "op_mob":{
       "10":"n",
-      "11":"y x",
-      "11.1":"y x",
-      "11.5":"y x",
-      "12":"y x",
-      "12.1":"y x",
-      "24":"y"
+      "11":"a x #1",
+      "11.1":"a x #1",
+      "11.5":"a x #1",
+      "12":"a x #1",
+      "12.1":"a x #1",
+      "24":"a #1"
     },
     "and_chr":{
-      "40":"y"
+      "41":"a #1"
     },
     "and_ff":{
-      "33":"y x"
+      "36":"a x #1"
     },
     "ie_mob":{
       "10":"n",
@@ -11478,10 +11671,10 @@ module.exports={
   },
   "notes":"",
   "notes_by_num":{
-    
+    "1":"Partial refers to supporting `<integer>` but not `<length>` values."
   },
-  "usage_perc_y":71.73,
-  "usage_perc_a":0,
+  "usage_perc_y":0.27,
+  "usage_perc_a":74.79,
   "ucprefix":false,
   "parent":"",
   "keywords":"tab-size,tab-width",
@@ -11492,7 +11685,7 @@ module.exports={
 },{}],81:[function(require,module,exports){
 module.exports={
   "title":"Flexible Box Layout Module",
-  "description":"Method of positioning elements in horizontal or vertical stacks.",
+  "description":"Method of positioning elements in horizontal or vertical stacks. Support includes the support for the all properties prefixed with `flex` as well as `align-content`, `align-items`, `align-self`, and `justify-content`.",
   "spec":"http://www.w3.org/TR/css3-flexbox/",
   "status":"wd",
   "links":[
@@ -11536,6 +11729,12 @@ module.exports={
     },
     {
       "description":"[Flexbugs](https://github.com/philipwalton/flexbugs): community-curated list of flexbox issues and cross-browser workarounds for them"
+    },
+    {
+      "description":"IE11 does not [wrap long paragraphs of text](http://jsfiddle.net/y1do9cx8/1/)"
+    },
+    {
+      "description":"IE11 will not apply flexbox on pseudo-elements. [See bug](https://connect.microsoft.com/IE/feedbackdetail/view/1058330/ie11-will-not-apply-flexbox-on-pseudo-elements)."
     }
   ],
   "categories":[
@@ -11591,7 +11790,9 @@ module.exports={
       "35":"y",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"a x #1",
@@ -11633,7 +11834,8 @@ module.exports={
       "40":"y",
       "41":"y",
       "42":"y",
-      "43":"y"
+      "43":"y",
+      "44":"y"
     },
     "safari":{
       "3.1":"a x #1",
@@ -11683,10 +11885,10 @@ module.exports={
       "6.0-6.1":"a x #1",
       "7.0-7.1":"y x",
       "8":"y x",
-      "8.1":"y x"
+      "8.1-8.3":"y x"
     },
     "op_mini":{
-      "5.0-8.0":"n"
+      "5.0-8.0":"y"
     },
     "android":{
       "2.1":"a x #1",
@@ -11698,11 +11900,11 @@ module.exports={
       "4.2-4.3":"a x #1",
       "4.4":"y",
       "4.4.3-4.4.4":"y",
-      "37":"y"
+      "40":"y"
     },
     "bb":{
       "7":"a x #1",
-      "10":"y x"
+      "10":"y"
     },
     "op_mob":{
       "10":"n",
@@ -11714,10 +11916,10 @@ module.exports={
       "24":"y"
     },
     "and_chr":{
-      "40":"y"
+      "41":"y"
     },
     "and_ff":{
-      "33":"y"
+      "36":"y"
     },
     "ie_mob":{
       "10":"a x #2",
@@ -11733,8 +11935,8 @@ module.exports={
     "2":"Only supports the [2012 syntax](http://www.w3.org/TR/2012/WD-css3-flexbox-20120322/)",
     "3":"Does not support flex-wrap or flex-flow properties"
   },
-  "usage_perc_y":76.29,
-  "usage_perc_a":11.17,
+  "usage_perc_y":82.47,
+  "usage_perc_a":10.5,
   "ucprefix":false,
   "parent":"",
   "keywords":"flex-box,flex-direction,flex-wrap,flex-flow,flex-grow,flex-basis",
@@ -11822,7 +12024,9 @@ module.exports={
       "35":"y",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"n",
@@ -11864,7 +12068,8 @@ module.exports={
       "40":"y x",
       "41":"y x",
       "42":"y x",
-      "43":"y x"
+      "43":"y x",
+      "44":"y x"
     },
     "safari":{
       "3.1":"n",
@@ -11914,7 +12119,7 @@ module.exports={
       "6.0-6.1":"a",
       "7.0-7.1":"n",
       "8":"n",
-      "8.1":"n"
+      "8.1-8.3":"n"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -11929,7 +12134,7 @@ module.exports={
       "4.2-4.3":"n",
       "4.4":"y x",
       "4.4.3-4.4.4":"y x",
-      "37":"y x"
+      "40":"y x"
     },
     "bb":{
       "7":"n",
@@ -11945,10 +12150,10 @@ module.exports={
       "24":"y x"
     },
     "and_chr":{
-      "40":"y x"
+      "41":"y x"
     },
     "and_ff":{
-      "33":"y x"
+      "36":"y"
     },
     "ie_mob":{
       "10":"n",
@@ -11962,8 +12167,8 @@ module.exports={
   "notes_by_num":{
     
   },
-  "usage_perc_y":71.96,
-  "usage_perc_a":1.34,
+  "usage_perc_y":74.95,
+  "usage_perc_a":1.02,
   "ucprefix":false,
   "parent":"",
   "keywords":"font-feature,font-feature-settings,kern,kerning,font-variant-alternates,ligatures,font-variant-ligatures",
@@ -12024,7 +12229,7 @@ module.exports={
       "9":"n",
       "10":"n",
       "11":"y x",
-      "TP":"y x"
+      "TP":"y"
     },
     "firefox":{
       "2":"n",
@@ -12037,35 +12242,37 @@ module.exports={
       "7":"n",
       "8":"n",
       "9":"n",
-      "10":"a x",
-      "11":"a x",
-      "12":"a x",
-      "13":"a x",
-      "14":"a x",
-      "15":"a x",
-      "16":"a x",
-      "17":"a x",
-      "18":"a x",
-      "19":"a x",
-      "20":"a x",
-      "21":"a x",
-      "22":"a x",
-      "23":"a x",
-      "24":"a x",
-      "25":"a x",
-      "26":"a x",
-      "27":"a x",
-      "28":"a x",
-      "29":"a x",
-      "30":"a x",
-      "31":"a x",
-      "32":"a x",
-      "33":"a x",
-      "34":"a x",
-      "35":"a x",
-      "36":"a x",
-      "37":"a x",
-      "38":"a x"
+      "10":"a x #1",
+      "11":"a x #1",
+      "12":"a x #1",
+      "13":"a x #1",
+      "14":"a x #1",
+      "15":"a x #1",
+      "16":"a x #1",
+      "17":"a x #1",
+      "18":"a x #1",
+      "19":"a x #1",
+      "20":"a x #1",
+      "21":"a x #1",
+      "22":"a x #1",
+      "23":"a x #1",
+      "24":"a x #1",
+      "25":"a x #1",
+      "26":"a x #1",
+      "27":"a x #1",
+      "28":"a x #1",
+      "29":"a x #1",
+      "30":"a x #1",
+      "31":"a x #1",
+      "32":"a x #1",
+      "33":"a x #1",
+      "34":"a x #1",
+      "35":"a x #1",
+      "36":"a x #1",
+      "37":"a x #1",
+      "38":"a x #1",
+      "39":"a x #1",
+      "40":"a x #1"
     },
     "chrome":{
       "4":"n",
@@ -12079,47 +12286,48 @@ module.exports={
       "12":"n",
       "13":"n",
       "14":"n",
-      "15":"a x",
-      "16":"a x",
-      "17":"a x",
-      "18":"a x",
-      "19":"a x",
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-      "21":"y x",
-      "22":"y x",
-      "23":"y x",
-      "24":"y x",
-      "25":"y x",
-      "26":"y x",
-      "27":"y x",
-      "28":"y x",
-      "29":"y x",
-      "30":"y x",
-      "31":"y x",
-      "32":"y x",
-      "33":"y x",
-      "34":"y x",
-      "35":"y x",
-      "36":"y x",
-      "37":"y x",
-      "38":"y x",
-      "39":"y x",
-      "40":"y x",
-      "41":"y x",
-      "42":"y x",
-      "43":"y x"
+      "15":"a x #1",
+      "16":"a x #1",
+      "17":"a x #1",
+      "18":"a x #1",
+      "19":"a x #1",
+      "20":"a x #2",
+      "21":"a x #2",
+      "22":"a x #2",
+      "23":"a x #2",
+      "24":"a x #2",
+      "25":"a x #2",
+      "26":"a x #2",
+      "27":"a x #2",
+      "28":"a x #2",
+      "29":"a x #2",
+      "30":"a x #2",
+      "31":"a x #2",
+      "32":"a x #2",
+      "33":"a x #2",
+      "34":"a x #2",
+      "35":"a x #2",
+      "36":"a x #2",
+      "37":"a x #2",
+      "38":"a x #2",
+      "39":"a x #2",
+      "40":"a x #2",
+      "41":"a x #2",
+      "42":"a x #2",
+      "43":"a x #2",
+      "44":"a x #2"
     },
     "safari":{
       "3.1":"n",
       "3.2":"n",
       "4":"n",
       "5":"n",
-      "5.1":"a x",
-      "6":"y x",
-      "6.1":"y x",
-      "7":"y x",
-      "7.1":"y x",
-      "8":"y x"
+      "5.1":"a x #1",
+      "6":"a x #2",
+      "6.1":"a x #2",
+      "7":"a x #2",
+      "7.1":"a x #2",
+      "8":"a x #2"
     },
     "opera":{
       "9":"n",
@@ -12133,21 +12341,21 @@ module.exports={
       "11.6":"n",
       "12":"n",
       "12.1":"y",
-      "15":"y x",
-      "16":"y x",
-      "17":"y x",
-      "18":"y x",
-      "19":"y x",
-      "20":"y x",
-      "21":"y x",
-      "22":"y x",
-      "23":"y x",
-      "24":"y x",
-      "25":"y x",
-      "26":"y x",
-      "27":"y x",
-      "28":"y x",
-      "29":"y x"
+      "15":"a x #2",
+      "16":"a x #2",
+      "17":"a x #2",
+      "18":"a x #2",
+      "19":"a x #2",
+      "20":"a x #2",
+      "21":"a x #2",
+      "22":"a x #2",
+      "23":"a x #2",
+      "24":"a x #2",
+      "25":"a x #2",
+      "26":"a x #2",
+      "27":"a x #2",
+      "28":"a x #2",
+      "29":"a x #2"
     },
     "ios_saf":{
       "3.2":"n",
@@ -12157,7 +12365,7 @@ module.exports={
       "6.0-6.1":"n",
       "7.0-7.1":"n",
       "8":"n",
-      "8.1":"n"
+      "8.1-8.3":"n"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -12172,11 +12380,11 @@ module.exports={
       "4.2-4.3":"n",
       "4.4":"n",
       "4.4.3-4.4.4":"n",
-      "37":"n"
+      "40":"n"
     },
     "bb":{
       "7":"n",
-      "10":"a"
+      "10":"a x #2"
     },
     "op_mob":{
       "10":"n",
@@ -12185,13 +12393,13 @@ module.exports={
       "11.5":"n",
       "12":"n",
       "12.1":"n",
-      "24":"y x"
+      "24":"a x #2"
     },
     "and_chr":{
-      "40":"y x"
+      "41":"a x #2"
     },
     "and_ff":{
-      "33":"a x"
+      "36":"a x #1"
     },
     "ie_mob":{
       "10":"n",
@@ -12201,12 +12409,13 @@ module.exports={
       "9.9":"n"
     }
   },
-  "notes":"Partial support refers to supporting an earlier draft of the spec.",
+  "notes":"",
   "notes_by_num":{
-    
+    "1":"Partial support refers to supporting an earlier draft of the spec.",
+    "2":"Partial support refers to not supporting `::backdrop`, and supporting the old `:full-screen` syntax rather than the standard `:fullscreen`."
   },
-  "usage_perc_y":54.48,
-  "usage_perc_a":12.24,
+  "usage_perc_y":8.7,
+  "usage_perc_a":61.74,
   "ucprefix":false,
   "parent":"",
   "keywords":"full-screen",
@@ -12282,7 +12491,9 @@ module.exports={
       "35":"y x",
       "36":"y x",
       "37":"y x",
-      "38":"y x"
+      "38":"y x",
+      "39":"y x",
+      "40":"y x"
     },
     "chrome":{
       "4":"n",
@@ -12324,7 +12535,8 @@ module.exports={
       "40":"y x",
       "41":"y x",
       "42":"y x",
-      "43":"y x"
+      "43":"y x",
+      "44":"y x"
     },
     "safari":{
       "3.1":"n",
@@ -12374,7 +12586,7 @@ module.exports={
       "6.0-6.1":"n",
       "7.0-7.1":"y x",
       "8":"y x",
-      "8.1":"y x"
+      "8.1-8.3":"y x"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -12389,7 +12601,7 @@ module.exports={
       "4.2-4.3":"n",
       "4.4":"y x",
       "4.4.3-4.4.4":"y x",
-      "37":"y x"
+      "40":"y x"
     },
     "bb":{
       "7":"n",
@@ -12405,10 +12617,10 @@ module.exports={
       "24":"y x"
     },
     "and_chr":{
-      "40":"y x"
+      "41":"y x"
     },
     "and_ff":{
-      "33":"y x"
+      "36":"y x"
     },
     "ie_mob":{
       "10":"n",
@@ -12422,7 +12634,7 @@ module.exports={
   "notes_by_num":{
     
   },
-  "usage_perc_y":68.21,
+  "usage_perc_y":71.82,
   "usage_perc_a":0,
   "ucprefix":false,
   "parent":"",
@@ -12464,6 +12676,9 @@ module.exports={
     },
     {
       "description":"Chrome is reported to incorrectly calculate the container height, and often breaks on margins, padding, and can display 1px of the next column at the bottom of the previous column."
+    },
+    {
+      "description":"Browsers behave differently when flowing `ol` list numbers in columns: IE and Safari only show numbers for the first column. Chrome does not show any numbers. Only Firefox behaves as expected with numbers showing for all items."
     }
   ],
   "categories":[
@@ -12519,7 +12734,9 @@ module.exports={
       "35":"a x",
       "36":"a x",
       "37":"a x",
-      "38":"a x"
+      "38":"a x",
+      "39":"a x",
+      "40":"a x"
     },
     "chrome":{
       "4":"a x",
@@ -12561,7 +12778,8 @@ module.exports={
       "40":"a x",
       "41":"a x",
       "42":"a x",
-      "43":"a x"
+      "43":"a x",
+      "44":"a x"
     },
     "safari":{
       "3.1":"a x",
@@ -12611,7 +12829,7 @@ module.exports={
       "6.0-6.1":"a x",
       "7.0-7.1":"a x",
       "8":"a x",
-      "8.1":"a x"
+      "8.1-8.3":"a x"
     },
     "op_mini":{
       "5.0-8.0":"y"
@@ -12626,7 +12844,7 @@ module.exports={
       "4.2-4.3":"a x",
       "4.4":"a x",
       "4.4.3-4.4.4":"a x",
-      "37":"a x"
+      "40":"a x"
     },
     "bb":{
       "7":"a x",
@@ -12642,10 +12860,10 @@ module.exports={
       "24":"a x"
     },
     "and_chr":{
-      "40":"a x"
+      "41":"a x"
     },
     "and_ff":{
-      "33":"a x"
+      "36":"a x"
     },
     "ie_mob":{
       "10":"y",
@@ -12655,12 +12873,12 @@ module.exports={
       "9.9":"a x"
     }
   },
-  "notes":"Partial support refers to not supporting the `break-before`, `break-after`, `break-inside` properties. Webkit browsers do have equivalent support for the non-standard `-webkit-column-break-*` properties while Firefox supports `page-break-*` to accomplish the same result.",
+  "notes":"Partial support refers to not supporting the `break-before`, `break-after`, `break-inside` properties. Webkit browsers do have equivalent support for the non-standard `-webkit-column-break-*` properties while Firefox supports `page-break-*` to accomplish the same result (but only the `auto` and `always' values).",
   "notes_by_num":{
     
   },
-  "usage_perc_y":14.04,
-  "usage_perc_a":76.54,
+  "usage_perc_y":13.06,
+  "usage_perc_a":79.98,
   "ucprefix":false,
   "parent":"",
   "keywords":"column-count",
@@ -12744,7 +12962,9 @@ module.exports={
       "35":"n",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"n",
@@ -12786,7 +13006,8 @@ module.exports={
       "40":"y",
       "41":"y",
       "42":"y",
-      "43":"y"
+      "43":"y",
+      "44":"y"
     },
     "safari":{
       "3.1":"n",
@@ -12836,7 +13057,7 @@ module.exports={
       "6.0-6.1":"n",
       "7.0-7.1":"n",
       "8":"a #1",
-      "8.1":"a #1"
+      "8.1-8.3":"a #1"
     },
     "op_mini":{
       "5.0-8.0":"y x"
@@ -12851,7 +13072,7 @@ module.exports={
       "4.2-4.3":"n",
       "4.4":"n",
       "4.4.3-4.4.4":"y",
-      "37":"y"
+      "40":"y"
     },
     "bb":{
       "7":"n",
@@ -12867,10 +13088,10 @@ module.exports={
       "24":"y"
     },
     "and_chr":{
-      "40":"y"
+      "41":"y"
     },
     "and_ff":{
-      "33":"n"
+      "36":"y"
     },
     "ie_mob":{
       "10":"n",
@@ -12884,8 +13105,8 @@ module.exports={
   "notes_by_num":{
     "1":"Partial support in Safari refers to support for `object-fit` but not `object-position`."
   },
-  "usage_perc_y":46.87,
-  "usage_perc_a":6.79,
+  "usage_perc_y":57.56,
+  "usage_perc_a":7.96,
   "ucprefix":false,
   "parent":"",
   "keywords":"objectfit,objectposition",
@@ -12898,7 +13119,7 @@ module.exports={
   "title":"Pointer events",
   "description":"This specification integrates various inputs from mice, touchscreens, and pens, making separate implementations no longer necessary and authoring for cross-device pointers easier. Not to be mistaken with the unrelated \"pointer-events\" CSS property.",
   "spec":"http://www.w3.org/TR/pointerevents/",
-  "status":"cr",
+  "status":"rec",
   "links":[
     {
       "url":"http://blogs.msdn.com/b/ie/archive/2011/09/20/touch-input-for-ie10-and-metro-style-apps.aspx",
@@ -12970,7 +13191,9 @@ module.exports={
       "35":"p",
       "36":"p",
       "37":"p",
-      "38":"p"
+      "38":"p",
+      "39":"p",
+      "40":"p"
     },
     "chrome":{
       "4":"n",
@@ -13012,7 +13235,8 @@ module.exports={
       "40":"p",
       "41":"p",
       "42":"p",
-      "43":"p"
+      "43":"p",
+      "44":"p"
     },
     "safari":{
       "3.1":"n",
@@ -13021,10 +13245,10 @@ module.exports={
       "5":"n",
       "5.1":"n",
       "6":"n",
-      "6.1":"u",
-      "7":"u",
-      "7.1":"u",
-      "8":"u"
+      "6.1":"p",
+      "7":"p",
+      "7.1":"p",
+      "8":"p"
     },
     "opera":{
       "9":"n",
@@ -13062,7 +13286,7 @@ module.exports={
       "6.0-6.1":"p",
       "7.0-7.1":"p",
       "8":"p",
-      "8.1":"p"
+      "8.1-8.3":"p"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -13077,7 +13301,7 @@ module.exports={
       "4.2-4.3":"p",
       "4.4":"p",
       "4.4.3-4.4.4":"p",
-      "37":"p"
+      "40":"p"
     },
     "bb":{
       "7":"p",
@@ -13093,10 +13317,10 @@ module.exports={
       "24":"p"
     },
     "and_chr":{
-      "40":"p"
+      "41":"p"
     },
     "and_ff":{
-      "33":"p"
+      "36":"p"
     },
     "ie_mob":{
       "10":"a x",
@@ -13110,8 +13334,8 @@ module.exports={
   "notes_by_num":{
     
   },
-  "usage_perc_y":8.74,
-  "usage_perc_a":1.97,
+  "usage_perc_y":8.49,
+  "usage_perc_a":1.5,
   "ucprefix":false,
   "parent":"",
   "keywords":"pointerdown,pointermove,pointerup,pointercancel,pointerover,pointerout,pointerenter,pointerleave",
@@ -13195,7 +13419,9 @@ module.exports={
       "35":"y x",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"n",
@@ -13237,7 +13463,8 @@ module.exports={
       "40":"n x d #1",
       "41":"n x d #1",
       "42":"n x d #1",
-      "43":"n x d #1"
+      "43":"n x d #1",
+      "44":"n x d #1"
     },
     "safari":{
       "3.1":"n",
@@ -13287,7 +13514,7 @@ module.exports={
       "6.0-6.1":"n",
       "7.0-7.1":"n",
       "8":"a x #2",
-      "8.1":"a x #2"
+      "8.1-8.3":"a x #2"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -13302,7 +13529,7 @@ module.exports={
       "4.2-4.3":"n",
       "4.4":"n",
       "4.4.3-4.4.4":"n",
-      "37":"n"
+      "40":"n"
     },
     "bb":{
       "7":"n",
@@ -13318,10 +13545,10 @@ module.exports={
       "24":"n"
     },
     "and_chr":{
-      "40":"n"
+      "41":"n"
     },
     "and_ff":{
-      "33":"y x"
+      "36":"y"
     },
     "ie_mob":{
       "10":"n",
@@ -13336,8 +13563,8 @@ module.exports={
     "1":"Enabled in Chrome through the \"experimental Web Platform features\" flag in chrome://flags",
     "2":"Partial support in Safari refers to not supporting the text-decoration-style property."
   },
-  "usage_perc_y":11.83,
-  "usage_perc_a":6.79,
+  "usage_perc_y":12.21,
+  "usage_perc_a":7.96,
   "ucprefix":false,
   "parent":"",
   "keywords":"text-decoration-line,text-decoration-style,text-decoration-color",
@@ -13415,7 +13642,9 @@ module.exports={
       "35":"n",
       "36":"n",
       "37":"n",
-      "38":"n"
+      "38":"n",
+      "39":"n",
+      "40":"n"
     },
     "chrome":{
       "4":"n",
@@ -13457,7 +13686,8 @@ module.exports={
       "40":"a x #1",
       "41":"a x #1",
       "42":"a x #1",
-      "43":"a x #1"
+      "43":"a x #1",
+      "44":"a x #1"
     },
     "safari":{
       "3.1":"n",
@@ -13507,7 +13737,7 @@ module.exports={
       "6.0-6.1":"n",
       "7.0-7.1":"y",
       "8":"y",
-      "8.1":"y"
+      "8.1-8.3":"y"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -13522,11 +13752,11 @@ module.exports={
       "4.2-4.3":"n",
       "4.4":"a x #1",
       "4.4.3-4.4.4":"a x #1",
-      "37":"a x #1"
+      "40":"a x #1"
     },
     "bb":{
-      "7":"u",
-      "10":"u"
+      "7":"n",
+      "10":"a x #1"
     },
     "op_mob":{
       "10":"n",
@@ -13538,10 +13768,10 @@ module.exports={
       "24":"a x #1"
     },
     "and_chr":{
-      "40":"a x #1"
+      "41":"a x #1"
     },
     "and_ff":{
-      "33":"n"
+      "36":"n"
     },
     "ie_mob":{
       "10":"n",
@@ -13555,8 +13785,8 @@ module.exports={
   "notes_by_num":{
     "1":"Partial support refers to incorrect support for `-webkit-text-emphasis-position`. These browsers support `over` and `under` as values, but not the added `left` and `right` values required by the spec."
   },
-  "usage_perc_y":9.02,
-  "usage_perc_a":50.97,
+  "usage_perc_y":9.21,
+  "usage_perc_a":54.43,
   "ucprefix":false,
   "parent":"",
   "keywords":"text-emphasis,text-emphasis-position,text-emphasis-style,text-emphasis-color",
@@ -13598,6 +13828,9 @@ module.exports={
     },
     {
       "description":"Some Samsung-based browsers, have a bug with overflowing text when ellipsis is set and if `text-rendering` is not `auto`."
+    },
+    {
+      "description":"Does not work in IE8 and IE9 on `<input type=\"text\">`"
     }
   ],
   "categories":[
@@ -13653,7 +13886,9 @@ module.exports={
       "35":"y",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"y",
@@ -13695,7 +13930,8 @@ module.exports={
       "40":"y",
       "41":"y",
       "42":"y",
-      "43":"y"
+      "43":"y",
+      "44":"y"
     },
     "safari":{
       "3.1":"y",
@@ -13745,7 +13981,7 @@ module.exports={
       "6.0-6.1":"y",
       "7.0-7.1":"y",
       "8":"y",
-      "8.1":"y"
+      "8.1-8.3":"y"
     },
     "op_mini":{
       "5.0-8.0":"y"
@@ -13760,7 +13996,7 @@ module.exports={
       "4.2-4.3":"y",
       "4.4":"y",
       "4.4.3-4.4.4":"y",
-      "37":"y"
+      "40":"y"
     },
     "bb":{
       "7":"y",
@@ -13776,10 +14012,10 @@ module.exports={
       "24":"y"
     },
     "and_chr":{
-      "40":"y"
+      "41":"y"
     },
     "and_ff":{
-      "33":"y"
+      "36":"y"
     },
     "ie_mob":{
       "10":"y",
@@ -13793,7 +14029,7 @@ module.exports={
   "notes_by_num":{
     
   },
-  "usage_perc_y":96.91,
+  "usage_perc_y":97.04,
   "usage_perc_a":0,
   "ucprefix":false,
   "parent":"",
@@ -13875,7 +14111,9 @@ module.exports={
       "35":"n",
       "36":"n",
       "37":"n",
-      "38":"n"
+      "38":"n",
+      "39":"n",
+      "40":"n"
     },
     "chrome":{
       "4":"n",
@@ -13917,7 +14155,8 @@ module.exports={
       "40":"n",
       "41":"n",
       "42":"n",
-      "43":"n"
+      "43":"n",
+      "44":"n"
     },
     "safari":{
       "3.1":"n",
@@ -13967,7 +14206,7 @@ module.exports={
       "6.0-6.1":"y x",
       "7.0-7.1":"y x",
       "8":"y x",
-      "8.1":"y x"
+      "8.1-8.3":"y x"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -13982,7 +14221,7 @@ module.exports={
       "4.2-4.3":"n",
       "4.4":"n",
       "4.4.3-4.4.4":"n",
-      "37":"n"
+      "40":"n"
     },
     "bb":{
       "7":"n",
@@ -13998,10 +14237,10 @@ module.exports={
       "24":"n"
     },
     "and_chr":{
-      "40":"n"
+      "41":"n"
     },
     "and_ff":{
-      "33":"y x"
+      "36":"y x"
     },
     "ie_mob":{
       "10":"y x",
@@ -14015,7 +14254,7 @@ module.exports={
   "notes_by_num":{
     
   },
-  "usage_perc_y":12.32,
+  "usage_perc_y":12.17,
   "usage_perc_a":0,
   "ucprefix":false,
   "parent":"",
@@ -14124,7 +14363,9 @@ module.exports={
       "35":"y",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"y x",
@@ -14166,7 +14407,8 @@ module.exports={
       "40":"y",
       "41":"y",
       "42":"y",
-      "43":"y"
+      "43":"y",
+      "44":"y"
     },
     "safari":{
       "3.1":"y x",
@@ -14216,7 +14458,7 @@ module.exports={
       "6.0-6.1":"y x",
       "7.0-7.1":"y x",
       "8":"y x",
-      "8.1":"y x"
+      "8.1-8.3":"y x"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -14231,7 +14473,7 @@ module.exports={
       "4.2-4.3":"y x",
       "4.4":"y x",
       "4.4.3-4.4.4":"y x",
-      "37":"y"
+      "40":"y"
     },
     "bb":{
       "7":"y x",
@@ -14247,10 +14489,10 @@ module.exports={
       "24":"y"
     },
     "and_chr":{
-      "40":"y"
+      "41":"y"
     },
     "and_ff":{
-      "33":"y"
+      "36":"y"
     },
     "ie_mob":{
       "10":"y",
@@ -14264,7 +14506,7 @@ module.exports={
   "notes_by_num":{
     
   },
-  "usage_perc_y":89.64,
+  "usage_perc_y":91.85,
   "usage_perc_a":0,
   "ucprefix":false,
   "parent":"",
@@ -14311,6 +14553,9 @@ module.exports={
     },
     {
       "description":"Firefox on Windows [incorrectly renders plugin content within no-op 3D transforms](https://bugzilla.mozilla.org/show_bug.cgi?id=1048279)."
+    },
+    {
+      "description":"The `perspective` property doesn't work on the `body` element in Firefox, it must be used on an inner element."
     }
   ],
   "categories":[
@@ -14366,7 +14611,9 @@ module.exports={
       "35":"y",
       "36":"y",
       "37":"y",
-      "38":"y"
+      "38":"y",
+      "39":"y",
+      "40":"y"
     },
     "chrome":{
       "4":"n",
@@ -14408,7 +14655,8 @@ module.exports={
       "40":"y",
       "41":"y",
       "42":"y",
-      "43":"y"
+      "43":"y",
+      "44":"y"
     },
     "safari":{
       "3.1":"n",
@@ -14458,7 +14706,7 @@ module.exports={
       "6.0-6.1":"y x",
       "7.0-7.1":"y x",
       "8":"y x",
-      "8.1":"y x"
+      "8.1-8.3":"y x"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -14473,7 +14721,7 @@ module.exports={
       "4.2-4.3":"y x",
       "4.4":"y x",
       "4.4.3-4.4.4":"y x",
-      "37":"y"
+      "40":"y"
     },
     "bb":{
       "7":"y x",
@@ -14489,10 +14737,10 @@ module.exports={
       "24":"y"
     },
     "and_chr":{
-      "40":"y"
+      "41":"y"
     },
     "and_ff":{
-      "33":"y"
+      "36":"y"
     },
     "ie_mob":{
       "10":"a",
@@ -14506,8 +14754,8 @@ module.exports={
   "notes_by_num":{
     
   },
-  "usage_perc_y":75.88,
-  "usage_perc_a":10.71,
+  "usage_perc_y":79.45,
+  "usage_perc_a":9.99,
   "ucprefix":false,
   "parent":"",
   "keywords":"css 3d,3dtransforms,translate3d,backface visibility,perspective",
@@ -14591,7 +14839,9 @@ module.exports={
       "35":"y x",
       "36":"y x",
       "37":"y x",
-      "38":"y x"
+      "38":"y x",
+      "39":"y x",
+      "40":"y x"
     },
     "chrome":{
       "4":"u",
@@ -14633,7 +14883,8 @@ module.exports={
       "40":"y x",
       "41":"y x",
       "42":"y x",
-      "43":"y x"
+      "43":"y x",
+      "44":"y x"
     },
     "safari":{
       "3.1":"y x",
@@ -14683,7 +14934,7 @@ module.exports={
       "6.0-6.1":"y x",
       "7.0-7.1":"y x",
       "8":"y x",
-      "8.1":"y x"
+      "8.1-8.3":"y x"
     },
     "op_mini":{
       "5.0-8.0":"n"
@@ -14698,7 +14949,7 @@ module.exports={
       "4.2-4.3":"y x",
       "4.4":"y x",
       "4.4.3-4.4.4":"y x",
-      "37":"y x"
+      "40":"y x"
     },
     "bb":{
       "7":"y x",
@@ -14714,10 +14965,10 @@ module.exports={
       "24":"y x"
     },
     "and_chr":{
-      "40":"y x"
+      "41":"y x"
     },
     "and_ff":{
-      "33":"y x"
+      "36":"y x"
     },
     "ie_mob":{
       "10":"y x",
@@ -14731,7 +14982,7 @@ module.exports={
   "notes_by_num":{
     
   },
-  "usage_perc_y":87.2,
+  "usage_perc_y":89.94,
   "usage_perc_a":0,
   "ucprefix":false,
   "parent":"",
@@ -14747,6 +14998,16 @@ function GCD(a, b) {
   return GCD(b, a % b)
 }
 
+function findPrecision(n) {
+  var e = 1
+
+  while (Math.round(n * e) / e !== n) {
+    e *= 10
+  }
+
+  return e
+}
+
 function num2fraction(num) {
   if (num === 0) return 0
 
@@ -14755,7 +15016,7 @@ function num2fraction(num) {
   }
 
 
-  var precision = 100000000 //???
+  var precision = findPrecision(num) //???
   var number = num * precision
   var gcd = GCD(number, precision)
 
@@ -14774,15 +15035,22 @@ module.exports = num2fraction
 },{}],96:[function(require,module,exports){
 "use strict";
 
+var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };
+
 var _inherits = function (subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) subClass.__proto__ = superClass; };
 
-var Container = require("./container");
+var _classCallCheck = function (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } };
+
+var Container = _interopRequire(require("./container"));
 
 // CSS at-rule like “this.keyframes name { }”.
 //
 // Can contain declarations (like this.font-face or this.page) ot another rules.
+
 var AtRule = (function (Container) {
     function AtRule(defaults) {
+        _classCallCheck(this, AtRule);
+
         this.type = "atrule";
         Container.call(this, defaults);
     }
@@ -14790,6 +15058,7 @@ var AtRule = (function (Container) {
     _inherits(AtRule, Container);
 
     // Stringify at-rule
+
     AtRule.prototype.stringify = function stringify(builder, semicolon) {
         var name = "@" + this.name;
         var params = this.params ? this.stringifyRaw("params") : "";
@@ -14811,24 +15080,28 @@ var AtRule = (function (Container) {
     };
 
     // Hack to mark, that at-rule contains children
+
     AtRule.prototype.append = function append(child) {
         if (!this.nodes) this.nodes = [];
         return Container.prototype.append.call(this, child);
     };
 
     // Hack to mark, that at-rule contains children
+
     AtRule.prototype.prepend = function prepend(child) {
         if (!this.nodes) this.nodes = [];
         return Container.prototype.prepend.call(this, child);
     };
 
     // Hack to mark, that at-rule contains children
+
     AtRule.prototype.insertBefore = function insertBefore(exist, add) {
         if (!this.nodes) this.nodes = [];
         return Container.prototype.insertBefore.call(this, exist, add);
     };
 
     // Hack to mark, that at-rule contains children
+
     AtRule.prototype.insertAfter = function insertAfter(exist, add) {
         if (!this.nodes) this.nodes = [];
         return Container.prototype.insertAfter.call(this, exist, add);
@@ -14841,13 +15114,20 @@ module.exports = AtRule;
 },{"./container":98}],97:[function(require,module,exports){
 "use strict";
 
+var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };
+
 var _inherits = function (subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) subClass.__proto__ = superClass; };
 
-var Node = require("./node");
+var _classCallCheck = function (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } };
+
+var Node = _interopRequire(require("./node"));
 
 // CSS comment between declarations or rules
+
 var Comment = (function (Node) {
     function Comment(defaults) {
+        _classCallCheck(this, Comment);
+
         this.type = "comment";
         Node.call(this, defaults);
     }
@@ -14855,6 +15135,7 @@ var Comment = (function (Node) {
     _inherits(Comment, Node);
 
     // Stringify declaration
+
     Comment.prototype.stringify = function stringify(builder) {
         var before = this.style("before");
         if (before) builder(before);
@@ -14870,17 +15151,26 @@ module.exports = Comment;
 },{"./node":104}],98:[function(require,module,exports){
 "use strict";
 
+var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };
+
 var _prototypeProperties = function (child, staticProps, instanceProps) { if (staticProps) Object.defineProperties(child, staticProps); if (instanceProps) Object.defineProperties(child.prototype, instanceProps); };
 
 var _inherits = function (subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) subClass.__proto__ = superClass; };
 
-var Node = require("./node");
-var Comment = require("./comment");
-var Declaration = require("./declaration");
+var _classCallCheck = function (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } };
+
+var Declaration = _interopRequire(require("./declaration"));
+
+var Comment = _interopRequire(require("./comment"));
+
+var Node = _interopRequire(require("./node"));
 
 // CSS node, that contain another nodes (like at-rules or rules with selectors)
+
 var Container = (function (Node) {
     function Container() {
+        _classCallCheck(this, Container);
+
         if (Node != null) {
             Node.apply(this, arguments);
         }
@@ -14889,10 +15179,11 @@ var Container = (function (Node) {
     _inherits(Container, Node);
 
     // Stringify container children
-    Container.prototype.stringifyContent = function stringifyContent(builder) {
-        if (!this.nodes) return;
 
-        var i,
+    Container.prototype.stringifyContent = function stringifyContent(builder) {
+        if (!this.nodes) {
+            return;
+        }var i,
             last = this.nodes.length - 1;
         while (last > 0) {
             if (this.nodes[last].type != "comment") break;
@@ -14907,6 +15198,7 @@ var Container = (function (Node) {
 
     // Stringify node with start (for example, selector) and brackets block
     // with child inside
+
     Container.prototype.stringifyBlock = function stringifyBlock(builder, start) {
         var before = this.style("before");
         if (before) builder(before);
@@ -14928,6 +15220,7 @@ var Container = (function (Node) {
 
     // Add child to end of list without any checks.
     // Please, use `append()` method, `push()` is mostly for parser.
+
     Container.prototype.push = function push(child) {
         child.parent = this;
         this.nodes.push(child);
@@ -14948,6 +15241,7 @@ var Container = (function (Node) {
     //      # On next iteration will be next rule, regardless of that
     //      # list size was increased
     //  });
+
     Container.prototype.each = function each(callback) {
         if (!this.lastEach) this.lastEach = 0;
         if (!this.indexes) this.indexes = {};
@@ -14956,9 +15250,9 @@ var Container = (function (Node) {
         var id = this.lastEach;
         this.indexes[id] = 0;
 
-        if (!this.nodes) return;
-
-        var index, result;
+        if (!this.nodes) {
+            return;
+        }var index, result;
         while (this.indexes[id] < this.nodes.length) {
             index = this.indexes[id];
             result = callback(this.nodes[index], index);
@@ -14969,7 +15263,9 @@ var Container = (function (Node) {
 
         delete this.indexes[id];
 
-        if (result === false) return false;
+        if (result === false) {
+            return false;
+        }
     };
 
     // Execute callback on every child in all rules inside.
@@ -14981,6 +15277,7 @@ var Container = (function (Node) {
     //   });
     //
     // Also as `each` it is safe of insert/remove nodes inside iterating.
+
     Container.prototype.eachInside = function eachInside(callback) {
         return this.each(function (child, i) {
             var result = callback(child, i);
@@ -15008,6 +15305,7 @@ var Container = (function (Node) {
     // You can filter declrataion by property name:
     //
     //   css.eachDecl('background', (decl) => { });
+
     Container.prototype.eachDecl = function eachDecl(prop, callback) {
         if (!callback) {
             callback = prop;
@@ -15045,6 +15343,7 @@ var Container = (function (Node) {
     //           console.log(rule.selector + ' at ' + i);
     //       }
     //   });
+
     Container.prototype.eachRule = function eachRule(callback) {
         return this.eachInside(function (child, i) {
             if (child.type == "rule") {
@@ -15069,6 +15368,7 @@ var Container = (function (Node) {
     // You can filter at-rules by name:
     //
     //   css.eachAtRule('keyframes', (atrule) => { });
+
     Container.prototype.eachAtRule = function eachAtRule(name, callback) {
         if (!callback) {
             callback = name;
@@ -15106,6 +15406,7 @@ var Container = (function (Node) {
     //   });
     //
     // Also as `each` it is safe of insert/remove nodes inside iterating.
+
     Container.prototype.eachComment = function eachComment(callback) {
         return this.eachInside(function (child, i) {
             if (child.type == "comment") {
@@ -15122,22 +15423,24 @@ var Container = (function (Node) {
     // You can add declaration by hash:
     //
     //   rule.append({ prop: 'color', value: 'black' });
+
     Container.prototype.append = function append(child) {
         var nodes = this.normalize(child, this.last);
         for (var _iterator = nodes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
-            var node;
+            var _ref;
+
             if (_isArray) {
                 if (_i >= _iterator.length) break;
-                node = _iterator[_i++];
+                _ref = _iterator[_i++];
             } else {
                 _i = _iterator.next();
                 if (_i.done) break;
-                node = _i.value;
+                _ref = _i.value;
             }
-            this.nodes.push(node);
-        }
 
-        return this;
+            var node = _ref;
+            this.nodes.push(node);
+        }return this;
     };
 
     // Add child to beginning of container
@@ -15147,22 +15450,24 @@ var Container = (function (Node) {
     // You can add declaration by hash:
     //
     //   rule.prepend({ prop: 'color', value: 'black' });
+
     Container.prototype.prepend = function prepend(child) {
         var nodes = this.normalize(child, this.first, "prepend").reverse();
         for (var _iterator = nodes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
-            var node;
+            var _ref;
+
             if (_isArray) {
                 if (_i >= _iterator.length) break;
-                node = _iterator[_i++];
+                _ref = _iterator[_i++];
             } else {
                 _i = _iterator.next();
                 if (_i.done) break;
-                node = _i.value;
+                _ref = _i.value;
             }
-            this.nodes.unshift(node);
-        }
 
-        for (var id in this.indexes) {
+            var node = _ref;
+            this.nodes.unshift(node);
+        }for (var id in this.indexes) {
             this.indexes[id] = this.indexes[id] + nodes.length;
         }
 
@@ -15177,25 +15482,27 @@ var Container = (function (Node) {
     // You can add declaration by hash:
     //
     //   rule.insertBefore(1, { prop: 'color', value: 'black' });
+
     Container.prototype.insertBefore = function insertBefore(exist, add) {
         exist = this.index(exist);
 
         var type = exist === 0 ? "prepend" : false;
         var nodes = this.normalize(add, this.nodes[exist], type).reverse();
         for (var _iterator = nodes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
-            var node;
+            var _ref;
+
             if (_isArray) {
                 if (_i >= _iterator.length) break;
-                node = _iterator[_i++];
+                _ref = _iterator[_i++];
             } else {
                 _i = _iterator.next();
                 if (_i.done) break;
-                node = _i.value;
+                _ref = _i.value;
             }
-            this.nodes.splice(exist, 0, node);
-        }
 
-        var index;
+            var node = _ref;
+            this.nodes.splice(exist, 0, node);
+        }var index;
         for (var id in this.indexes) {
             index = this.indexes[id];
             if (exist <= index) {
@@ -15214,24 +15521,26 @@ var Container = (function (Node) {
     // You can add declaration by hash:
     //
     //   rule.insertAfter(1, { prop: 'color', value: 'black' });
+
     Container.prototype.insertAfter = function insertAfter(exist, add) {
         exist = this.index(exist);
 
         var nodes = this.normalize(add, this.nodes[exist]).reverse();
         for (var _iterator = nodes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
-            var node;
+            var _ref;
+
             if (_isArray) {
                 if (_i >= _iterator.length) break;
-                node = _iterator[_i++];
+                _ref = _iterator[_i++];
             } else {
                 _i = _iterator.next();
                 if (_i.done) break;
-                node = _i.value;
+                _ref = _i.value;
             }
-            this.nodes.splice(exist + 1, 0, node);
-        }
 
-        var index;
+            var node = _ref;
+            this.nodes.splice(exist + 1, 0, node);
+        }var index;
         for (var id in this.indexes) {
             index = this.indexes[id];
             if (exist < index) {
@@ -15245,6 +15554,7 @@ var Container = (function (Node) {
     // Remove `child` by index or node.
     //
     //   css.remove(2);
+
     Container.prototype.remove = function remove(child) {
         child = this.index(child);
         this.nodes[child].parent = undefined;
@@ -15264,21 +15574,23 @@ var Container = (function (Node) {
     // Remove all children in node.
     //
     //   css.removeAll();
+
     Container.prototype.removeAll = function removeAll() {
         for (var _iterator = this.nodes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
-            var node;
+            var _ref;
+
             if (_isArray) {
                 if (_i >= _iterator.length) break;
-                node = _iterator[_i++];
+                _ref = _iterator[_i++];
             } else {
                 _i = _iterator.next();
                 if (_i.done) break;
-                node = _i.value;
+                _ref = _i.value;
             }
-            node.parent = undefined;
-        }
 
-        this.nodes = [];
+            var node = _ref;
+            node.parent = undefined;
+        }this.nodes = [];
         return this;
     };
 
@@ -15295,6 +15607,7 @@ var Container = (function (Node) {
     //       function (str) {
     //           return (14 * parseInt(str)) + 'px';
     //       })
+
     Container.prototype.replaceValues = function replaceValues(regexp, opts, callback) {
         if (!callback) {
             callback = opts;
@@ -15313,17 +15626,20 @@ var Container = (function (Node) {
 
     // Return true if all nodes return true in `condition`.
     // Just shorcut for `nodes.every`.
+
     Container.prototype.every = function every(condition) {
         return this.nodes.every(condition);
     };
 
     // Return true if one or more nodes return true in `condition`.
     // Just shorcut for `nodes.some`.
+
     Container.prototype.some = function some(condition) {
         return this.nodes.some(condition);
     };
 
     // Return index of child
+
     Container.prototype.index = function index(child) {
         if (typeof child == "number") {
             return child;
@@ -15333,8 +15649,10 @@ var Container = (function (Node) {
     };
 
     // Normalize child before insert. Copy before from `sample`.
+
     Container.prototype.normalize = function normalize(nodes, sample) {
         var _this = this;
+
         if (!Array.isArray(nodes)) {
             if (nodes.type == "root") {
                 nodes = nodes.nodes;
@@ -15343,10 +15661,12 @@ var Container = (function (Node) {
             } else if (nodes.prop) {
                 nodes = [new Declaration(nodes)];
             } else if (nodes.selector) {
-                var Rule = require("./rule");
+                var Rule = _interopRequire(require("./rule"));
+
                 nodes = [new Rule(nodes)];
             } else if (nodes.name) {
-                var AtRule = require("./at-rule");
+                var AtRule = _interopRequire(require("./at-rule"));
+
                 nodes = [new AtRule(nodes)];
             } else if (nodes.text) {
                 nodes = [new Comment(nodes)];
@@ -15371,21 +15691,21 @@ var Container = (function (Node) {
         first: {
 
             // Shortcut to get first child
+
             get: function () {
                 if (!this.nodes) return undefined;
                 return this.nodes[0];
             },
-            enumerable: true,
             configurable: true
         },
         last: {
 
             // Shortcut to get first child
+
             get: function () {
                 if (!this.nodes) return undefined;
                 return this.nodes[this.nodes.length - 1];
             },
-            enumerable: true,
             configurable: true
         }
     });
@@ -15398,15 +15718,22 @@ module.exports = Container;
 (function (process){
 "use strict";
 
+var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };
+
 var _inherits = function (subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) subClass.__proto__ = superClass; };
 
-var PreviousMap = require("./previous-map");
+var _classCallCheck = function (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } };
 
-var path = require("path");
+var PreviousMap = _interopRequire(require("./previous-map"));
+
+var path = _interopRequire(require("path"));
 
 // Error while CSS parsing
+
 var CssSyntaxError = (function (SyntaxError) {
     function CssSyntaxError(message, line, column, source, file) {
+        _classCallCheck(this, CssSyntaxError);
+
         this.reason = message;
 
         this.message = file ? file : "<css input>";
@@ -15429,6 +15756,7 @@ var CssSyntaxError = (function (SyntaxError) {
     _inherits(CssSyntaxError, SyntaxError);
 
     // Return source of broken lines
+
     CssSyntaxError.prototype.highlight = function highlight(color) {
         var num = this.line - 1;
         var lines = this.source.split("\n");
@@ -15474,21 +15802,29 @@ var CssSyntaxError = (function (SyntaxError) {
     return CssSyntaxError;
 })(SyntaxError);
 
-CssSyntaxError.prototype.name = "CssSyntaxError";
-
 module.exports = CssSyntaxError;
+
+CssSyntaxError.prototype.name = "CssSyntaxError";
 }).call(this,require('_process'))
 },{"./previous-map":108,"_process":54,"path":53}],100:[function(require,module,exports){
 "use strict";
 
+var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };
+
 var _inherits = function (subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) subClass.__proto__ = superClass; };
 
-var Node = require("./node");
-var vendor = require("./vendor");
+var _classCallCheck = function (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } };
+
+var vendor = _interopRequire(require("./vendor"));
+
+var Node = _interopRequire(require("./node"));
 
 // CSS declaration like “color: black” in rules
+
 var Declaration = (function (Node) {
     function Declaration(defaults) {
+        _classCallCheck(this, Declaration);
+
         this.type = "decl";
         Node.call(this, defaults);
     }
@@ -15496,6 +15832,7 @@ var Declaration = (function (Node) {
     _inherits(Declaration, Node);
 
     // Stringify declaration
+
     Declaration.prototype.stringify = function stringify(builder, semicolon) {
         var before = this.style("before");
         if (before) builder(before);
@@ -15518,17 +15855,26 @@ module.exports = Declaration;
 },{"./node":104,"./vendor":113}],101:[function(require,module,exports){
 "use strict";
 
-var CssSyntaxError = require("./css-syntax-error");
-var PreviousMap = require("./previous-map");
-var Parser = require("./parser");
+var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };
 
-var path = require("path");
+var _classCallCheck = function (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } };
+
+var CssSyntaxError = _interopRequire(require("./css-syntax-error"));
+
+var PreviousMap = _interopRequire(require("./previous-map"));
+
+var Parser = _interopRequire(require("./parser"));
+
+var path = _interopRequire(require("path"));
 
 var sequence = 0;
 
 var Input = (function () {
     function Input(css) {
         var opts = arguments[1] === undefined ? {} : arguments[1];
+
+        _classCallCheck(this, Input);
+
         this.css = css.toString();
 
         if (this.css[0] == "?" || this.css[0] == "?") {
@@ -15557,7 +15903,18 @@ var Input = (function () {
     }
 
     // Throw syntax error from this input
-    Input.prototype.error = function error(message, line, column) {
+
+    Input.prototype.error = (function (_error) {
+        var _errorWrapper = function error() {
+            return _error.apply(this, arguments);
+        };
+
+        _errorWrapper.toString = function () {
+            return _error.toString();
+        };
+
+        return _errorWrapper;
+    })(function (message, line, column) {
         var error = new CssSyntaxError(message);
 
         var origin = this.origin(line, column);
@@ -15575,17 +15932,19 @@ var Input = (function () {
         }
 
         return error;
-    };
+    });
 
     // Get origin position of code if source map was given
+
     Input.prototype.origin = function origin(line, column) {
-        if (!this.map) return false;
-        var consumer = this.map.consumer();
+        if (!this.map) {
+            return false;
+        }var consumer = this.map.consumer();
 
         var from = consumer.originalPositionFor({ line: line, column: column });
-        if (!from.source) return false;
-
-        var result = {
+        if (!from.source) {
+            return false;
+        }var result = {
             file: this.mapResolve(from.source),
             line: from.line,
             column: from.column
@@ -15598,6 +15957,7 @@ var Input = (function () {
     };
 
     // Return path relative from source map root
+
     Input.prototype.mapResolve = function mapResolve(file) {
         return path.resolve(this.map.consumer().sourceRoot || ".", file);
     };
@@ -15610,11 +15970,11 @@ module.exports = Input;
 "use strict";
 
 // Methods to parse list and split it to array
-var list = {
+module.exports = {
 
     // Split string to array by separator symbols with function and inside strings
     // cheching
-    split: function (string, separators, last) {
+    split: function split(string, separators, last) {
         var array = [];
         var current = "";
         var split = false;
@@ -15666,7 +16026,7 @@ var list = {
     // It check for fuction and strings:
     //
     //   list.space('calc(1px + 1em) "b c"') #=> ['calc(1px + 1em)', '"b c"']
-    space: function (string) {
+    space: function space(string) {
         return this.split(string, [" ", "\n", "\t"]);
     },
 
@@ -15677,31 +16037,39 @@ var list = {
     // It check for fuction and strings:
     //
     //   list.comma('rgba(0, 0, 0, 0) white') #=> ['rgba(0, 0, 0, 0)', '"white"']
-    comma: function (string) {
+    comma: function comma(string) {
         return this.split(string, [","], true);
     }
 
 };
-
-module.exports = list;
 },{}],103:[function(require,module,exports){
 "use strict";
 
-var Result = require("./result");
+var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };
+
+var _classCallCheck = function (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } };
+
+var Result = _interopRequire(require("./result"));
 
-var mozilla = require("source-map");
 var Base64 = require("js-base64").Base64;
-var path = require("path");
+
+var mozilla = _interopRequire(require("source-map"));
+
+var path = _interopRequire(require("path"));
 
 // All tools to generate source maps
+
 var MapGenerator = (function () {
     function MapGenerator(root, opts) {
+        _classCallCheck(this, MapGenerator);
+
         this.root = root;
         this.opts = opts;
         this.mapOpts = opts.map || {};
     }
 
     // Should map be generated
+
     MapGenerator.prototype.isMap = function isMap() {
         if (typeof this.opts.map != "undefined") {
             return !!this.opts.map;
@@ -15711,8 +16079,10 @@ var MapGenerator = (function () {
     };
 
     // Return source map arrays from previous compilation step (like Sass)
+
     MapGenerator.prototype.previous = function previous() {
         var _this = this;
+
         if (!this.previousMaps) {
             this.previousMaps = [];
             this.root.eachInside(function (node) {
@@ -15729,6 +16099,7 @@ var MapGenerator = (function () {
     };
 
     // Should we inline source map to annotation comment
+
     MapGenerator.prototype.isInline = function isInline() {
         if (typeof this.mapOpts.inline != "undefined") {
             return this.mapOpts.inline;
@@ -15749,6 +16120,7 @@ var MapGenerator = (function () {
     };
 
     // Should we set sourcesContent
+
     MapGenerator.prototype.isSourcesContent = function isSourcesContent() {
         if (typeof this.mapOpts.sourcesContent != "undefined") {
             return this.mapOpts.sourcesContent;
@@ -15763,10 +16135,11 @@ var MapGenerator = (function () {
     };
 
     // Clear source map annotation comment
-    MapGenerator.prototype.clearAnnotation = function clearAnnotation() {
-        if (this.mapOpts.annotation === false) return;
 
-        var node;
+    MapGenerator.prototype.clearAnnotation = function clearAnnotation() {
+        if (this.mapOpts.annotation === false) {
+            return;
+        }var node;
         for (var i = this.root.nodes.length - 1; i >= 0; i--) {
             node = this.root.nodes[i];
             if (node.type != "comment") continue;
@@ -15778,8 +16151,10 @@ var MapGenerator = (function () {
     };
 
     // Set origin CSS content
+
     MapGenerator.prototype.setSourcesContent = function setSourcesContent() {
         var _this = this;
+
         var already = {};
         this.root.eachInside(function (node) {
             if (node.source) {
@@ -15794,17 +16169,22 @@ var MapGenerator = (function () {
     };
 
     // Apply source map from previous compilation step (like Sass)
+
     MapGenerator.prototype.applyPrevMaps = function applyPrevMaps() {
         for (var _iterator = this.previous(), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
-            var prev;
+            var _ref;
+
             if (_isArray) {
                 if (_i >= _iterator.length) break;
-                prev = _iterator[_i++];
+                _ref = _iterator[_i++];
             } else {
                 _i = _iterator.next();
                 if (_i.done) break;
-                prev = _i.value;
+                _ref = _i.value;
             }
+
+            var prev = _ref;
+
             var from = this.relative(prev.file);
             var root = prev.root || path.dirname(prev.file);
             var map;
@@ -15823,6 +16203,7 @@ var MapGenerator = (function () {
     };
 
     // Should we add annotation comment
+
     MapGenerator.prototype.isAnnotation = function isAnnotation() {
         if (this.isInline()) {
             return true;
@@ -15838,6 +16219,7 @@ var MapGenerator = (function () {
     };
 
     // Add source map annotation comment if it is needed
+
     MapGenerator.prototype.addAnnotation = function addAnnotation() {
         var content;
 
@@ -15853,6 +16235,7 @@ var MapGenerator = (function () {
     };
 
     // Return output CSS file path
+
     MapGenerator.prototype.outputFile = function outputFile() {
         if (this.opts.to) {
             return this.relative(this.opts.to);
@@ -15864,6 +16247,7 @@ var MapGenerator = (function () {
     };
 
     // Return Result object with map
+
     MapGenerator.prototype.generateMap = function generateMap() {
         this.stringify();
         if (this.isSourcesContent()) this.setSourcesContent();
@@ -15878,6 +16262,7 @@ var MapGenerator = (function () {
     };
 
     // Return path relative from output CSS file
+
     MapGenerator.prototype.relative = function relative(file) {
         var from = this.opts.to ? path.dirname(this.opts.to) : ".";
 
@@ -15894,13 +16279,16 @@ var MapGenerator = (function () {
     };
 
     // Return path of node source for map
+
     MapGenerator.prototype.sourcePath = function sourcePath(node) {
         return this.relative(node.source.input.from);
     };
 
     // Return CSS string and source map
+
     MapGenerator.prototype.stringify = function stringify() {
         var _this = this;
+
         this.css = "";
         this.map = new mozilla.SourceMapGenerator({ file: this.outputFile() });
 
@@ -15953,6 +16341,7 @@ var MapGenerator = (function () {
     };
 
     // Return Result object with or without map
+
     MapGenerator.prototype.generate = function generate() {
         this.clearAnnotation();
 
@@ -15970,10 +16359,39 @@ module.exports = MapGenerator;
 },{"./result":109,"js-base64":114,"path":53,"source-map":115}],104:[function(require,module,exports){
 "use strict";
 
-var CssSyntaxError = require("./css-syntax-error");
+var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };
+
+var _classCallCheck = function (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } };
+
+var CssSyntaxError = _interopRequire(require("./css-syntax-error"));
+
+// Default code style
+var defaultStyle = {
+    colon: ": ",
+    indent: "    ",
+    beforeDecl: "\n",
+    beforeRule: "\n",
+    beforeOpen: " ",
+    beforeClose: "\n",
+    beforeComment: "\n",
+    after: "\n",
+    emptyBody: "",
+    commentLeft: " ",
+    commentRight: " "
+};
 
 // Recursivly clone objects
-var clone = function (obj, parent) {
+var cloneNode = (function (_cloneNode) {
+    var _cloneNodeWrapper = function cloneNode() {
+        return _cloneNode.apply(this, arguments);
+    };
+
+    _cloneNodeWrapper.toString = function () {
+        return _cloneNode.toString();
+    };
+
+    return _cloneNodeWrapper;
+})(function (obj, parent) {
     if (typeof obj != "object") return obj;
     var cloned = new obj.constructor();
 
@@ -15987,20 +16405,24 @@ var clone = function (obj, parent) {
             cloned[i] = value;
         } else if (value instanceof Array) {
             cloned[i] = value.map(function (i) {
-                return clone(i, cloned);
+                return cloneNode(i, cloned);
             });
         } else if (i != "before" && i != "after" && i != "between" && i != "semicolon") {
-            cloned[i] = clone(value, cloned);
+            cloned[i] = cloneNode(value, cloned);
         }
     }
 
     return cloned;
-};
+});
 
 // Some common methods for all CSS nodes
+
 var Node = (function () {
     function Node() {
         var defaults = arguments[0] === undefined ? {} : arguments[0];
+
+        _classCallCheck(this, Node);
+
         for (var name in defaults) {
             this[name] = defaults[name];
         }
@@ -16014,10 +16436,11 @@ var Node = (function () {
     //
     // You can also get origin line and column from previous source map:
     //
-    //   if ( deprectedSyntax ) {
-    //       var error = decl.error('Deprected syntax');
+    //   if ( deprecatedSyntax ) {
+    //       var error = decl.error('Deprecated syntax');
     //       console.warn(error.toString());
     //   }
+
     Node.prototype.error = function error(message) {
         if (this.source) {
             var pos = this.source.start;
@@ -16034,6 +16457,7 @@ var Node = (function () {
     // Note, that removing by index is faster:
     //
     //   rule.each( (decl, i) => rule.remove(i) );
+
     Node.prototype.removeSelf = function removeSelf() {
         if (this.parent) {
             this.parent.remove(this);
@@ -16045,6 +16469,7 @@ var Node = (function () {
     // Shortcut to insert nodes before and remove self.
     //
     //   importNode.replace( loadedRoot );
+
     Node.prototype.replace = function replace(nodes) {
         this.parent.insertBefore(this, nodes);
         this.parent.remove(this);
@@ -16054,6 +16479,7 @@ var Node = (function () {
     // Return CSS string of current node
     //
     //   decl.toString(); //=> "  color: black"
+
     Node.prototype.toString = function toString() {
         var result = "";
         var builder = function (str) {
@@ -16070,32 +16496,25 @@ var Node = (function () {
     // You can override properties while cloning:
     //
     //   rule.append( decl.clone({ value: '0' }) );
-    Node.prototype.clone = (function (_clone) {
-        var _cloneWrapper = function clone() {
-            return _clone.apply(this, arguments);
-        };
 
-        _cloneWrapper.toString = function () {
-            return _clone.toString();
-        };
-
-        return _cloneWrapper;
-    })(function () {
+    Node.prototype.clone = function clone() {
         var overrides = arguments[0] === undefined ? {} : arguments[0];
-        var cloned = clone(this);
+
+        var cloned = cloneNode(this);
         for (var name in overrides) {
             cloned[name] = overrides[name];
         }
         return cloned;
-    });
-
+    };
 
     // Clone node and insert clone before current one.
     // It accept properties to change in clone and return new node.
     //
     //   decl.cloneBefore({ prop: '-webkit-' + del.prop });
+
     Node.prototype.cloneBefore = function cloneBefore() {
         var overrides = arguments[0] === undefined ? {} : arguments[0];
+
         var cloned = this.clone(overrides);
         this.parent.insertBefore(this, cloned);
         return cloned;
@@ -16105,8 +16524,10 @@ var Node = (function () {
     // It accept properties to change in clone and return new node.
     //
     //   decl.cloneAfter({ value: convertToRem(decl.value) });
+
     Node.prototype.cloneAfter = function cloneAfter() {
         var overrides = arguments[0] === undefined ? {} : arguments[0];
+
         var cloned = this.clone(overrides);
         this.parent.insertAfter(this, cloned);
         return cloned;
@@ -16115,6 +16536,7 @@ var Node = (function () {
     // Replace with node by another one.
     //
     //   decl.replaceWith(fixedDecl);
+
     Node.prototype.replaceWith = function replaceWith(node) {
         this.parent.insertBefore(this, node);
         this.removeSelf();
@@ -16126,6 +16548,7 @@ var Node = (function () {
     // parent and new parent has same root.
     //
     //   rule.moveTo(atRule);
+
     Node.prototype.moveTo = function moveTo(container) {
         this.cleanStyles(this.root() == container.root());
         this.removeSelf();
@@ -16138,6 +16561,7 @@ var Node = (function () {
     // parent and new parent has same root.
     //
     //   rule.moveBefore(rule.parent);
+
     Node.prototype.moveBefore = function moveBefore(node) {
         this.cleanStyles(this.root() == node.root());
         this.removeSelf();
@@ -16150,6 +16574,7 @@ var Node = (function () {
     // parent and new parent has same root.
     //
     //   rule.moveAfter(rule.parent);
+
     Node.prototype.moveAfter = function moveAfter(node) {
         this.cleanStyles(this.root() == node.root());
         this.removeSelf();
@@ -16164,6 +16589,7 @@ var Node = (function () {
     //   if ( next && next.prop == removePrefix(decl.prop) ) {
     //       decl.removeSelf();
     //   }
+
     Node.prototype.next = function next() {
         var index = this.parent.index(this);
         return this.parent.nodes[index + 1];
@@ -16176,12 +16602,14 @@ var Node = (function () {
     //   if ( prev && removePrefix(prev.prop) == decl.prop) ) {
     //       prev.removeSelf();
     //   }
+
     Node.prototype.prev = function prev() {
         var index = this.parent.index(this);
         return this.parent.nodes[index - 1];
     };
 
     // Remove `parent` node on cloning to fix circular structures
+
     Node.prototype.toJSON = function toJSON() {
         var fixed = {};
 
@@ -16205,6 +16633,7 @@ var Node = (function () {
     };
 
     // Copy code style from first node with same type
+
     Node.prototype.style = function style(own, detect) {
         var value;
         if (!detect) detect = own;
@@ -16212,7 +16641,9 @@ var Node = (function () {
         // Already had
         if (own) {
             value = this[own];
-            if (typeof value != "undefined") return value;
+            if (typeof value != "undefined") {
+                return value;
+            }
         }
 
         var parent = this.parent;
@@ -16225,9 +16656,9 @@ var Node = (function () {
         }
 
         // Floating child without parent
-        if (!parent) return this.defaultStyle[detect];
-
-        // Detect style by other nodes
+        if (!parent) {
+            return defaultStyle[detect];
+        } // Detect style by other nodes
         var root = this.root();
         if (!root.styleCache) root.styleCache = {};
         if (typeof root.styleCache[detect] != "undefined") {
@@ -16251,7 +16682,7 @@ var Node = (function () {
         } else if (detect == "indent") {
             root.eachInside(function (i) {
                 var p = i.parent;
-                if (p != root && p.parent && p.parent == root) {
+                if (p && p != root && p.parent && p.parent == root) {
                     if (typeof i.before != "undefined") {
                         var parts = i.before.split("\n");
                         value = parts[parts.length - 1];
@@ -16357,13 +16788,14 @@ var Node = (function () {
             });
         }
 
-        if (typeof value == "undefined") value = this.defaultStyle[detect];
+        if (typeof value == "undefined") value = defaultStyle[detect];
 
         root.styleCache[detect] = value;
         return value;
     };
 
     // Return top parent , parent of parents.
+
     Node.prototype.root = function root() {
         var result = this;
         while (result.parent) result = result.parent;
@@ -16371,6 +16803,7 @@ var Node = (function () {
     };
 
     // Recursivelly remove all code style properties (`before` and `between`).
+
     Node.prototype.cleanStyles = function cleanStyles(keepBetween) {
         delete this.before;
         delete this.after;
@@ -16378,21 +16811,25 @@ var Node = (function () {
 
         if (this.nodes) {
             for (var _iterator = this.nodes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
-                var node;
+                var _ref;
+
                 if (_isArray) {
                     if (_i >= _iterator.length) break;
-                    node = _iterator[_i++];
+                    _ref = _iterator[_i++];
                 } else {
                     _i = _iterator.next();
                     if (_i.done) break;
-                    node = _i.value;
+                    _ref = _i.value;
                 }
+
+                var node = _ref;
                 node.cleanStyles(keepBetween);
             }
         }
     };
 
     // Use raw value if origin was not changed
+
     Node.prototype.stringifyRaw = function stringifyRaw(prop) {
         var value = this[prop];
         var raw = this["_" + prop];
@@ -16406,27 +16843,15 @@ var Node = (function () {
     return Node;
 })();
 
-// Default code style
-Node.prototype.defaultStyle = {
-    colon: ": ",
-    indent: "    ",
-    beforeDecl: "\n",
-    beforeRule: "\n",
-    beforeOpen: " ",
-    beforeClose: "\n",
-    beforeComment: "\n",
-    after: "\n",
-    emptyBody: "",
-    commentLeft: " ",
-    commentRight: " "
-};
-
 module.exports = Node;
 },{"./css-syntax-error":99}],105:[function(require,module,exports){
 "use strict";
 
-var Parser = require("./parser");
-var Input = require("./input");
+var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };
+
+var Parser = _interopRequire(require("./parser"));
+
+var Input = _interopRequire(require("./input"));
 
 module.exports = function (css, opts) {
     var input = new Input(css, opts);
@@ -16440,16 +16865,28 @@ module.exports = function (css, opts) {
 },{"./input":101,"./parser":106}],106:[function(require,module,exports){
 "use strict";
 
-var Declaration = require("./declaration");
-var tokenize = require("./tokenize");
-var Comment = require("./comment");
-var AtRule = require("./at-rule");
-var Root = require("./root");
-var Rule = require("./rule");
+var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };
+
+var _classCallCheck = function (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } };
+
+var Declaration = _interopRequire(require("./declaration"));
+
+var tokenizer = _interopRequire(require("./tokenize"));
+
+var Comment = _interopRequire(require("./comment"));
+
+var AtRule = _interopRequire(require("./at-rule"));
+
+var Root = _interopRequire(require("./root"));
+
+var Rule = _interopRequire(require("./rule"));
 
 // CSS parser
+
 var Parser = (function () {
     function Parser(input) {
+        _classCallCheck(this, Parser);
+
         this.input = input;
 
         this.pos = 0;
@@ -16462,19 +16899,10 @@ var Parser = (function () {
         if (input.map) this.root.prevMap = input.map;
     }
 
-    Parser.prototype.tokenize = (function (_tokenize) {
-        var _tokenizeWrapper = function tokenize() {
-            return _tokenize.apply(this, arguments);
-        };
+    Parser.prototype.tokenize = function tokenize() {
+        this.tokens = tokenizer(this.input);
+    };
 
-        _tokenizeWrapper.toString = function () {
-            return _tokenize.toString();
-        };
-
-        return _tokenizeWrapper;
-    })(function () {
-        this.tokens = tokenize(this.input);
-    });
     Parser.prototype.loop = function loop() {
         var token;
         while (this.pos < this.tokens.length) {
@@ -16807,7 +17235,11 @@ var Parser = (function () {
             } else if (type == ")") {
                 brackets -= 0;
             } else if (brackets === 0 && type == ":") {
-                if (prev[0] == "word" && prev[1] == "progid") {
+                if (!prev && this.input.safe) {
+                    continue;
+                } else if (!prev) {
+                    throw this.input.error("Double colon", token[2], token[3]);
+                } else if (prev[0] == "word" && prev[1] == "progid") {
                     continue;
                 } else {
                     colon = i;
@@ -16818,9 +17250,9 @@ var Parser = (function () {
             prev = token;
         }
 
-        if (colon === false) return;
-
-        if (this.input.safe) {
+        if (colon === false) {
+            return;
+        }if (this.input.safe) {
             var split;
             for (split = colon - 1; split >= 0; split--) {
                 if (tokens[split][0] == "word") break;
@@ -16870,13 +17302,13 @@ var Parser = (function () {
                 if (_i.done) break;
                 token = _i.value;
             }
+
             if (token[0] == "comment") {
                 clean = false;
             } else {
                 value += token[1];
             }
         }
-
         if (!clean) {
             var origin = "";
             for (var _iterator2 = tokens, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
@@ -16888,10 +17320,9 @@ var Parser = (function () {
                     if (_i2.done) break;
                     token = _i2.value;
                 }
-                origin += token[1];
-            }
 
-            node["_" + prop] = { value: value, raw: origin };
+                origin += token[1];
+            }node["_" + prop] = { value: value, raw: origin };
         }
         node[prop] = value;
     };
@@ -16934,24 +17365,41 @@ module.exports = Parser;
 },{"./at-rule":96,"./comment":97,"./declaration":100,"./root":110,"./rule":111,"./tokenize":112}],107:[function(require,module,exports){
 "use strict";
 
-var Declaration = require("./declaration");
-var Comment = require("./comment");
-var AtRule = require("./at-rule");
-var Result = require("./result");
-var Rule = require("./rule");
-var Root = require("./root");
+var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };
+
+var _classCallCheck = function (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } };
+
+var Declaration = _interopRequire(require("./declaration"));
+
+var Comment = _interopRequire(require("./comment"));
+
+var AtRule = _interopRequire(require("./at-rule"));
+
+var Result = _interopRequire(require("./result"));
+
+var parse = _interopRequire(require("./parse"));
+
+var Rule = _interopRequire(require("./rule"));
+
+var Root = _interopRequire(require("./root"));
 
 // List of functions to process CSS
+
 var PostCSS = (function () {
     function PostCSS() {
         var _this = this;
+
         var plugins = arguments[0] === undefined ? [] : arguments[0];
+
+        _classCallCheck(this, PostCSS);
+
         this.plugins = plugins.map(function (i) {
             return _this.normalize(i);
         });
     }
 
     // Add function as PostCSS plugins
+
     PostCSS.prototype.use = function use(plugin) {
         plugin = this.normalize(plugin);
         if (typeof plugin == "object" && Array.isArray(plugin.plugins)) {
@@ -16963,8 +17411,10 @@ var PostCSS = (function () {
     };
 
     // Process CSS throw installed plugins
+
     PostCSS.prototype.process = function process(css) {
         var opts = arguments[1] === undefined ? {} : arguments[1];
+
         var parsed;
         if (css instanceof Root) {
             parsed = css;
@@ -16978,15 +17428,19 @@ var PostCSS = (function () {
         }
 
         for (var _iterator = this.plugins, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
-            var plugin;
+            var _ref;
+
             if (_isArray) {
                 if (_i >= _iterator.length) break;
-                plugin = _iterator[_i++];
+                _ref = _iterator[_i++];
             } else {
                 _i = _iterator.next();
                 if (_i.done) break;
-                plugin = _i.value;
+                _ref = _i.value;
             }
+
+            var plugin = _ref;
+
             var returned = plugin(parsed, opts);
             if (returned instanceof Root) parsed = returned;
         }
@@ -16995,6 +17449,7 @@ var PostCSS = (function () {
     };
 
     // Return plugin function
+
     PostCSS.prototype.normalize = function normalize(plugin) {
         var type = typeof plugin;
         if ((type == "object" || type == "function") && plugin.postcss) {
@@ -17013,7 +17468,7 @@ var PostCSS = (function () {
 //       // Change nodes in css
 //   });
 //   processor.process(css)
-var postcss = function () {
+var postcss = function postcss() {
     for (var _len = arguments.length, plugins = Array(_len), _key = 0; _key < _len; _key++) {
         plugins[_key] = arguments[_key];
     }
@@ -17025,7 +17480,7 @@ var postcss = function () {
 };
 
 // Compile CSS to nodes
-postcss.parse = require("./parse");
+postcss.parse = parse;
 
 // Nodes shortcuts
 postcss.comment = function (defaults) {
@@ -17048,22 +17503,34 @@ module.exports = postcss;
 },{"./at-rule":96,"./comment":97,"./declaration":100,"./parse":105,"./result":109,"./root":110,"./rule":111}],108:[function(require,module,exports){
 "use strict";
 
-var mozilla = require("source-map");
+var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };
+
+var _classCallCheck = function (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } };
+
 var Base64 = require("js-base64").Base64;
-var path = require("path");
-var fs = require("fs");
+
+var mozilla = _interopRequire(require("source-map"));
+
+var path = _interopRequire(require("path"));
+
+var fs = _interopRequire(require("fs"));
 
 // Detect previous map
+
 var PreviousMap = (function () {
     function PreviousMap(css, opts) {
+        _classCallCheck(this, PreviousMap);
+
         this.loadAnnotation(css);
         this.inline = this.startWith(this.annotation, "data:");
 
-        var text = this.loadMap(opts.from, opts.map ? opts.map.prev : undefined);
+        var prev = opts.map ? opts.map.prev : undefined;
+        var text = this.loadMap(opts.from, prev);
         if (text) this.text = text;
     }
 
     // Return SourceMapConsumer object to read map
+
     PreviousMap.prototype.consumer = function consumer() {
         if (!this.consumerCache) {
             this.consumerCache = new mozilla.SourceMapConsumer(this.text);
@@ -17072,23 +17539,28 @@ var PreviousMap = (function () {
     };
 
     // Is map has sources content
+
     PreviousMap.prototype.withContent = function withContent() {
         return !!(this.consumer().sourcesContent && this.consumer().sourcesContent.length > 0);
     };
 
     // Is `string` is starting with `start`
+
     PreviousMap.prototype.startWith = function startWith(string, start) {
-        if (!string) return false;
-        return string.substr(0, start.length) == start;
+        if (!string) {
+            return false;
+        }return string.substr(0, start.length) == start;
     };
 
     // Load for annotation comment from previous compilation step
+
     PreviousMap.prototype.loadAnnotation = function loadAnnotation(css) {
         var match = css.match(/\/\*\s*# sourceMappingURL=(.*)\s*\*\//);
         if (match) this.annotation = match[1].trim();
     };
 
     // Encode different type of inline
+
     PreviousMap.prototype.decodeInline = function decodeInline(text) {
         var uri = "data:application/json,";
         var base64 = "data:application/json;base64,";
@@ -17104,10 +17576,11 @@ var PreviousMap = (function () {
     };
 
     // Load previous map
-    PreviousMap.prototype.loadMap = function loadMap(file, prev) {
-        if (prev === false) return;
 
-        if (prev) {
+    PreviousMap.prototype.loadMap = function loadMap(file, prev) {
+        if (prev === false) {
+            return;
+        }if (prev) {
             if (typeof prev == "string") {
                 return prev;
             } else if (prev instanceof mozilla.SourceMapConsumer) {
@@ -17139,24 +17612,34 @@ module.exports = PreviousMap;
 },{"fs":48,"js-base64":114,"path":53,"source-map":115}],109:[function(require,module,exports){
 "use strict";
 
+var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };
+
 var _prototypeProperties = function (child, staticProps, instanceProps) { if (staticProps) Object.defineProperties(child, staticProps); if (instanceProps) Object.defineProperties(child.prototype, instanceProps); };
 
-var MapGenerator = require("./map-generator");
+var _classCallCheck = function (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } };
+
+var MapGenerator = _interopRequire(require("./map-generator"));
 
 // Object with processed CSS
+
 var Result = (function () {
     function Result(root) {
         var opts = arguments[1] === undefined ? {} : arguments[1];
+
+        _classCallCheck(this, Result);
+
         this.root = root;
         this.opts = opts;
     }
 
     // Return CSS string on any try to print
+
     Result.prototype.toString = function toString() {
         return this.css;
     };
 
     // Generate CSS and map
+
     Result.prototype.stringify = function stringify() {
         var map = new MapGenerator(this.root, this.opts);
         var generated = map.generate();
@@ -17168,21 +17651,21 @@ var Result = (function () {
         map: {
 
             // Lazy method to return source map
+
             get: function () {
                 if (!this.cssCached) this.stringify();
                 return this.mapCached;
             },
-            enumerable: true,
             configurable: true
         },
         css: {
 
             // Lazy method to return CSS string
+
             get: function () {
                 if (!this.cssCached) this.stringify();
                 return this.cssCached;
             },
-            enumerable: true,
             configurable: true
         }
     });
@@ -17194,18 +17677,30 @@ module.exports = Result;
 },{"./map-generator":103}],110:[function(require,module,exports){
 "use strict";
 
+var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };
+
 var _inherits = function (subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) subClass.__proto__ = superClass; };
 
-var Declaration = require("./declaration");
-var Container = require("./container");
-var Comment = require("./comment");
-var AtRule = require("./at-rule");
-var Result = require("./result");
-var Rule = require("./rule");
+var _classCallCheck = function (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } };
+
+var Declaration = _interopRequire(require("./declaration"));
+
+var Container = _interopRequire(require("./container"));
+
+var Comment = _interopRequire(require("./comment"));
+
+var AtRule = _interopRequire(require("./at-rule"));
+
+var Result = _interopRequire(require("./result"));
+
+var Rule = _interopRequire(require("./rule"));
 
 // Root of CSS
+
 var Root = (function (Container) {
     function Root(defaults) {
+        _classCallCheck(this, Root);
+
         this.type = "root";
         this.nodes = [];
         Container.call(this, defaults);
@@ -17214,6 +17709,7 @@ var Root = (function (Container) {
     _inherits(Root, Container);
 
     // Fix space when we remove first child
+
     Root.prototype.remove = function remove(child) {
         child = this.index(child);
 
@@ -17225,6 +17721,7 @@ var Root = (function (Container) {
     };
 
     // Fix spaces on insert before first rule
+
     Root.prototype.normalize = function normalize(child, sample, type) {
         var nodes = Container.prototype.normalize.call(this, child);
 
@@ -17237,15 +17734,19 @@ var Root = (function (Container) {
                 }
             } else {
                 for (var _iterator = nodes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
-                    var node;
+                    var _ref;
+
                     if (_isArray) {
                         if (_i >= _iterator.length) break;
-                        node = _iterator[_i++];
+                        _ref = _iterator[_i++];
                     } else {
                         _i = _iterator.next();
                         if (_i.done) break;
-                        node = _i.value;
+                        _ref = _i.value;
                     }
+
+                    var node = _ref;
+
                     if (this.first != sample) node.before = sample.before;
                 }
             }
@@ -17255,14 +17756,17 @@ var Root = (function (Container) {
     };
 
     // Stringify styles
+
     Root.prototype.stringify = function stringify(builder) {
         this.stringifyContent(builder);
         if (this.after) builder(this.after);
     };
 
     // Generate processing result with optional source map
+
     Root.prototype.toResult = function toResult() {
         var opts = arguments[0] === undefined ? {} : arguments[0];
+
         return new Result(this, opts);
     };
 
@@ -17273,17 +17777,26 @@ module.exports = Root;
 },{"./at-rule":96,"./comment":97,"./container":98,"./declaration":100,"./result":109,"./rule":111}],111:[function(require,module,exports){
 "use strict";
 
+var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };
+
 var _prototypeProperties = function (child, staticProps, instanceProps) { if (staticProps) Object.defineProperties(child, staticProps); if (instanceProps) Object.defineProperties(child.prototype, instanceProps); };
 
 var _inherits = function (subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) subClass.__proto__ = superClass; };
 
-var Container = require("./container");
-var Declaration = require("./declaration");
-var list = require("./list");
+var _classCallCheck = function (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } };
+
+var Declaration = _interopRequire(require("./declaration"));
+
+var Container = _interopRequire(require("./container"));
+
+var list = _interopRequire(require("./list"));
 
 // CSS rule like “a { }”
+
 var Rule = (function (Container) {
     function Rule(defaults) {
+        _classCallCheck(this, Rule);
+
         this.type = "rule";
         this.nodes = [];
         Container.call(this, defaults);
@@ -17292,6 +17805,7 @@ var Rule = (function (Container) {
     _inherits(Rule, Container);
 
     // Stringify rule
+
     Rule.prototype.stringify = function stringify(builder) {
         this.stringifyBlock(builder, this.stringifyRaw("selector"));
     };
@@ -17307,7 +17821,6 @@ var Rule = (function (Container) {
             set: function (values) {
                 this.selector = values.join(", ");
             },
-            enumerable: true,
             configurable: true
         }
     });
@@ -17351,7 +17864,7 @@ module.exports = function (input) {
     var line = 1;
     var pos = 0;
 
-    var unclosed = function (what, end) {
+    var unclosed = function unclosed(what, end) {
         if (input.safe) {
             css += end;
             next = css.length - 1;
@@ -17514,13 +18027,13 @@ module.exports = function (input) {
 "use strict";
 
 // Methods to work with vendor prefixes
-var vendor = {
+module.exports = {
 
     // Return vendor prefix from property name, if it exists
     //
     //   vendor.prefix('-moz-box-sizing') #=> '-moz-'
     //   vendor.prefix('box-sizing')      #=> ''
-    prefix: function (prop) {
+    prefix: function prefix(prop) {
         if (prop[0] == "-") {
             var sep = prop.indexOf("-", 1);
             return prop.substr(0, sep + 1);
@@ -17533,7 +18046,7 @@ var vendor = {
     //
     //   vendor.prefix('-moz-box-sizing') #=> 'box-sizing'
     //   vendor.prefix('box-sizing')      #=> 'box-sizing'
-    unprefixed: function (prop) {
+    unprefixed: function unprefixed(prop) {
         if (prop[0] == "-") {
             var sep = prop.indexOf("-", 1);
             return prop.substr(sep + 1);
@@ -17543,10 +18056,7 @@ var vendor = {
     }
 
 };
-
-module.exports = vendor;
 },{}],114:[function(require,module,exports){
-(function (global){
 /*
  * $Id: base64.js,v 2.15 2014/04/05 12:58:57 dankogai Exp dankogai $
  *
@@ -17561,7 +18071,7 @@ module.exports = vendor;
     'use strict';
     // existing version for noConflict()
     var _Base64 = global.Base64;
-    var version = "2.1.7";
+    var version = "2.1.8";
     // if node.js, we use Buffer
     var buffer;
     if (typeof module !== 'undefined' && module.exports) {
@@ -17620,12 +18130,12 @@ module.exports = vendor;
     };
     var _encode = buffer ? function (u) {
         return (u.constructor === buffer.constructor ? u : new buffer(u))
-        .toString('base64') 
-    } 
+        .toString('base64')
+    }
     : function (u) { return btoa(utob(u)) }
     ;
     var encode = function(u, urisafe) {
-        return !urisafe 
+        return !urisafe
             ? _encode(String(u))
             : _encode(String(u)).replace(/[+\/]/g, function(m0) {
                 return m0 == '+' ? '-' : '_';
@@ -17735,13 +18245,11 @@ module.exports = vendor;
         };
     }
     // that's it!
+    if (global['Meteor']) {
+       Base64 = global.Base64; // for normal export in Meteor.js
+    }
 })(this);
 
-if (this['Meteor']) {
-    Base64 = global.Base64; // for normal export in Meteor.js
-}
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
 },{"buffer":49}],115:[function(require,module,exports){
 /*
  * Copyright 2009-2011 Mozilla Foundation and contributors