diff --git a/scss/_normalize.scss b/scss/_normalize.scss
index 2b12384262..b0d3f972a8 100644
--- a/scss/_normalize.scss
+++ b/scss/_normalize.scss
@@ -1,51 +1,51 @@
-// normalize.css v4.0.0 | MIT License | github.com/necolas/normalize.css
+/*! normalize.css v4.0.0 | MIT License | github.com/necolas/normalize.css */
 
-//
-// 1. Change the default font family in all browsers (opinionated).
-// 2. Prevent adjustments of font size after orientation changes in IE and iOS.
-//
+/**
+ * 1. Change the default font family in all browsers (opinionated).
+ * 2. Prevent adjustments of font size after orientation changes in IE and iOS.
+ */
 
 html {
-  font-family: sans-serif; // 1
-  -ms-text-size-adjust: 100%; // 2
-  -webkit-text-size-adjust: 100%; // 2
+  font-family: sans-serif; /* 1 */
+  -ms-text-size-adjust: 100%; /* 2 */
+  -webkit-text-size-adjust: 100%; /* 2 */
 }
 
-//
-// Remove the margin in all browsers (opinionated).
-//
+/**
+ * Remove the margin in all browsers (opinionated).
+ */
 
 body {
   margin: 0;
 }
 
-// HTML5 display definitions
-// ==========================================================================
+/* HTML5 display definitions
+   ========================================================================== */
 
-//
-// Add the correct display in IE 9-.
-// 1. Add the correct display in Edge, IE, and Firefox.
-// 2. Add the correct display in IE.
-//
+/**
+ * Add the correct display in IE 9-.
+ * 1. Add the correct display in Edge, IE, and Firefox.
+ * 2. Add the correct display in IE.
+ */
 
 article,
 aside,
-details, // 1
+details, /* 1 */
 figcaption,
 figure,
 footer,
 header,
-main, // 2
+main, /* 2 */
 menu,
 nav,
 section,
-summary { // 1
+summary { /* 1 */
   display: block;
 }
 
-//
-// Add the correct display in IE 9-.
-//
+/**
+ * Add the correct display in IE 9-.
+ */
 
 audio,
 canvas,
@@ -54,124 +54,125 @@ video {
   display: inline-block;
 }
 
-//
-// Add the correct display in iOS 4-7.
-//
+/**
+ * Add the correct display in iOS 4-7.
+ */
 
 audio:not([controls]) {
   display: none;
   height: 0;
 }
 
-//
-// Add the correct vertical alignment in Chrome, Firefox, and Opera.
-//
+/**
+ * Add the correct vertical alignment in Chrome, Firefox, and Opera.
+ */
 
 progress {
   vertical-align: baseline;
 }
 
-//
-// Add the correct display in IE 10-.
-// 1. Add the correct display in IE.
-//
+/**
+ * Add the correct display in IE 10-.
+ * 1. Add the correct display in IE.
+ */
 
-template, // 1
+template, /* 1 */
 [hidden] {
   display: none;
 }
 
-// Links
-// ==========================================================================
+/* Links
+   ========================================================================== */
 
-//
-// Remove the gray background on active links in IE 10.
-//
+/**
+ * Remove the gray background on active links in IE 10.
+ */
 
 a {
   background-color: transparent;
 }
 
-//
-// Remove the outline on focused links when they are also active or hovered
-// in all browsers (opinionated).
-//
+/**
+ * Remove the outline on focused links when they are also active or hovered
+ * in all browsers (opinionated).
+ */
 
 a:active,
 a:hover {
   outline-width: 0;
 }
 
-// Text-level semantics
-// ==========================================================================
+/* Text-level semantics
+   ========================================================================== */
 
-//
-// 1. Remove the bottom border in Firefox 39-.
-// 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
-//
+/**
+ * 1. Remove the bottom border in Firefox 39-.
+ * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
+ */
 
 abbr[title] {
-  border-bottom: 0; // 1
-  text-decoration: underline dotted; // 2
+  border-bottom: none; /* 1 */
+  text-decoration: underline; /* 2 */
+  text-decoration: underline dotted; /* 2 */
 }
 
-//
-// Prevent the duplicate application of `bolder` by the next rule in Safari 6.
-//
+/**
+ * Prevent the duplicate application of `bolder` by the next rule in Safari 6.
+ */
 
 b,
 strong {
   font-weight: inherit;
 }
 
-//
-// Add the correct font weight in Chrome, Edge, and Safari.
-//
+/**
+ * Add the correct font weight in Chrome, Edge, and Safari.
+ */
 
 b,
 strong {
   font-weight: bolder;
 }
 
-//
-// Add the correct font style in Android 4.3-.
-//
+/**
+ * Add the correct font style in Android 4.3-.
+ */
 
 dfn {
   font-style: italic;
 }
 
-//
-// Correct the font size and margin on `h1` elements within `section` and
-// `article` contexts in Chrome, Firefox, and Safari.
-//
+/**
+ * Correct the font size and margin on `h1` elements within `section` and
+ * `article` contexts in Chrome, Firefox, and Safari.
+ */
 
 h1 {
   font-size: 2em;
   margin: 0.67em 0;
 }
 
-//
-// Add the correct background and color in IE 9-.
-//
+/**
+ * Add the correct background and color in IE 9-.
+ */
 
 mark {
-  color: #000;
   background-color: #ff0;
+  color: #000;
 }
 
-//
-// Add the correct font size in all browsers.
-//
+/**
+ * Add the correct font size in all browsers.
+ */
 
 small {
   font-size: 80%;
 }
 
-//
-// Prevent `sub` and `sup` elements from affecting the line height in
-// all browsers.
-//
+/**
+ * Prevent `sub` and `sup` elements from affecting the line height in
+ * all browsers.
+ */
 
 sub,
 sup {
@@ -186,69 +187,69 @@ sub {
 }
 
 sup {
-  top: -.5em;
+  top: -0.5em;
 }
 
-// Embedded content
-// ==========================================================================
+/* Embedded content
+   ========================================================================== */
 
-//
-// Remove the border on images inside links in IE 10-.
-//
+/**
+ * Remove the border on images inside links in IE 10-.
+ */
 
 img {
   border-style: none;
 }
 
-//
-// Hide the overflow in IE.
-//
+/**
+ * Hide the overflow in IE.
+ */
 
 svg:not(:root) {
   overflow: hidden;
 }
 
-// Grouping content
-// ==========================================================================
+/* Grouping content
+   ========================================================================== */
 
-//
-// 1. Correct the inheritance and scaling of font size in all browsers.
-// 2. Correct the odd `em` font sizing in all browsers.
-//
+/**
+ * 1. Correct the inheritance and scaling of font size in all browsers.
+ * 2. Correct the odd `em` font sizing in all browsers.
+ */
 
 code,
 kbd,
 pre,
 samp {
-  font-family: monospace, monospace; // 1
-  font-size: 1em; // 2
+  font-family: monospace, monospace; /* 1 */
+  font-size: 1em; /* 2 */
 }
 
-//
-// Add the correct margin in IE 8.
-//
+/**
+ * Add the correct margin in IE 8.
+ */
 
 figure {
   margin: 1em 40px;
 }
 
-//
-// 1. Add the correct box sizing in Firefox.
-// 2. Show the overflow in Edge and IE.
-//
+/**
+ * 1. Add the correct box sizing in Firefox.
+ * 2. Show the overflow in Edge and IE.
+ */
 
 hr {
-  box-sizing: content-box; // 1
-  height: 0; // 1
-  overflow: visible; // 2
+  box-sizing: content-box; /* 1 */
+  height: 0; /* 1 */
+  overflow: visible; /* 2 */
 }
 
-// Forms
-// ==========================================================================
+/* Forms
+   ========================================================================== */
 
-//
-// Change font properties to `inherit` in all browsers (opinionated).
-//
+/**
+ * Change font properties to `inherit` in all browsers (opinionated).
+ */
 
 button,
 input,
@@ -257,51 +258,51 @@ textarea {
   font: inherit;
 }
 
-//
-// Restore the font weight unset by the previous rule.
-//
+/**
+ * Restore the font weight unset by the previous rule.
+ */
 
 optgroup {
   font-weight: bold;
 }
 
-//
-// Show the overflow in IE.
-// 1. Show the overflow in Edge.
-// 2. Show the overflow in Edge, Firefox, and IE.
-//
+/**
+ * Show the overflow in IE.
+ * 1. Show the overflow in Edge.
+ * 2. Show the overflow in Edge, Firefox, and IE.
+ */
 
 button,
-input, // 1
-select { // 2
+input, /* 1 */
+select { /* 2 */
   overflow: visible;
 }
 
-//
-// Remove the margin in Safari.
-// 1. Remove the margin in Firefox and Safari.
-//
+/**
+ * Remove the margin in Safari.
+ * 1. Remove the margin in Firefox and Safari.
+ */
 
 button,
 input,
 select,
-textarea { // 1
+textarea { /* 1 */
   margin: 0;
 }
 
-//
-// Remove the inheritence of text transform in Edge, Firefox, and IE.
-// 1. Remove the inheritence of text transform in Firefox.
-//
+/**
+ * Remove the inheritence of text transform in Edge, Firefox, and IE.
+ * 1. Remove the inheritence of text transform in Firefox.
+ */
 
 button,
-select { // 1
+select { /* 1 */
   text-transform: none;
 }
 
-//
-// Change the cursor in all browsers (opinionated).
-//
+/**
+ * Change the cursor in all browsers (opinionated).
+ */
 
 button,
 [type="button"],
@@ -310,49 +311,49 @@ button,
   cursor: pointer;
 }
 
-//
-// Restore the default cursor to disabled elements unset by the previous rule.
-//
+/**
+ * Restore the default cursor to disabled elements unset by the previous rule.
+ */
 
 [disabled] {
   cursor: default;
 }
 
-//
-// 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
-//    controls in Android 4.
-// 2. Correct the inability to style clickable types in iOS.
-//
+/**
+ * 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
+ *    controls in Android 4.
+ * 2. Correct the inability to style clickable types in iOS.
+ */
 
 button,
-html [type="button"], // 1
+html [type="button"], /* 1 */
 [type="reset"],
 [type="submit"] {
-  -webkit-appearance: button; // 2
+  -webkit-appearance: button; /* 2 */
 }
 
-//
-// Remove the inner border and padding in Firefox.
-//
+/**
+ * Remove the inner border and padding in Firefox.
+ */
 
 button::-moz-focus-inner,
 input::-moz-focus-inner {
-  padding: 0;
   border: 0;
+  padding: 0;
 }
 
-//
-// Restore the focus styles unset by the previous rule.
-//
+/**
+ * Restore the focus styles unset by the previous rule.
+ */
 
 button:-moz-focusring,
 input:-moz-focusring {
   outline: 1px dotted ButtonText;
 }
 
-//
-// Change the border, margin, and padding in all browsers (opinionated).
-//
+/**
+ * Change the border, margin, and padding in all browsers (opinionated).
+ */
 
 fieldset {
   border: 1px solid #c0c0c0;
@@ -360,62 +361,62 @@ fieldset {
   padding: 0.35em 0.625em 0.75em;
 }
 
-//
-// 1. Correct the text wrapping in Edge and IE.
-// 2. Correct the color inheritance from `fieldset` elements in IE.
-// 3. Remove the padding so developers are not caught out when they zero out
-//    `fieldset` elements in all browsers.
-//
+/**
+ * 1. Correct the text wrapping in Edge and IE.
+ * 2. Correct the color inheritance from `fieldset` elements in IE.
+ * 3. Remove the padding so developers are not caught out when they zero out
+ *    `fieldset` elements in all browsers.
+ */
 
 legend {
-  box-sizing: border-box; // 1
-  display: table; // 1
-  max-width: 100%; // 1
-  padding: 0; // 3
-  color: inherit; // 2
-  white-space: normal; // 1
+  box-sizing: border-box; /* 1 */
+  color: inherit; /* 2 */
+  display: table; /* 1 */
+  max-width: 100%; /* 1 */
+  padding: 0; /* 3 */
+  white-space: normal; /* 1 */
 }
 
-//
-// Remove the default vertical scrollbar in IE.
-//
+/**
+ * Remove the default vertical scrollbar in IE.
+ */
 
 textarea {
   overflow: auto;
 }
 
-//
-// 1. Add the correct box sizing in IE 10-.
-// 2. Remove the padding in IE 10-.
-//
+/**
+ * 1. Add the correct box sizing in IE 10-.
+ * 2. Remove the padding in IE 10-.
+ */
 
 [type="checkbox"],
 [type="radio"] {
-  box-sizing: border-box; // 1
-  padding: 0; // 2
+  box-sizing: border-box; /* 1 */
+  padding: 0; /* 2 */
 }
 
-//
-// Correct the cursor style of increment and decrement buttons in Chrome.
-//
+/**
+ * Correct the cursor style of increment and decrement buttons in Chrome.
+ */
 
 [type="number"]::-webkit-inner-spin-button,
 [type="number"]::-webkit-outer-spin-button {
   height: auto;
 }
 
-//
-// Correct the odd appearance of search inputs in Chrome and Safari.
-//
+/**
+ * Correct the odd appearance of search inputs in Chrome and Safari.
+ */
 
 [type="search"] {
   -webkit-appearance: textfield;
 }
 
-//
-// Remove the inner padding and cancel buttons in Chrome on OS X and
-// Safari on OS X.
-//
+/**
+ * Remove the inner padding and cancel buttons in Chrome on OS X and
+ * Safari on OS X.
+ */
 
 [type="search"]::-webkit-search-cancel-button,
 [type="search"]::-webkit-search-decoration {