mirror of
https://github.com/twbs/bootstrap.git
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539 lines
18 KiB
HTML
539 lines
18 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>Bootstrap, from Twitter</title>
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta name="description" content="">
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<meta name="author" content="">
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<!-- Le HTML5 shim, for IE6-8 support of HTML elements -->
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<!--[if lt IE 9]>
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<script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
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<![endif]-->
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<!-- Le styles -->
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<link href="../bootstrap.css" rel="stylesheet">
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<link href="assets/css/docs.css" rel="stylesheet">
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<link href="assets/js/google-code-prettify/prettify.css" rel="stylesheet">
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<!-- Le fav and touch icons -->
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<link rel="shortcut icon" href="images/favicon.ico">
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<link rel="apple-touch-icon" href="images/apple-touch-icon.png">
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<link rel="apple-touch-icon" sizes="72x72" href="images/apple-touch-icon-72x72.png">
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<link rel="apple-touch-icon" sizes="114x114" href="images/apple-touch-icon-114x114.png">
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</head>
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<body>
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<!-- Navbar
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================================================== -->
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<div class="navbar navbar-fixed">
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<div class="navbar-inner">
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<div class="container">
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<a class="brand" href="./index.html">Bootstrap</a>
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<ul class="nav">
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<li class="">
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<a href="./index.html">Overview</a>
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</li>
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<li class="">
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<a href="./scaffolding.html">Scaffolding</a>
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</li>
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<li class="">
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<a href="./base-css.html">Base CSS</a>
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</li>
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<li class="">
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<a href="./components.html">Components</a>
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</li>
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<li class="">
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<a href="./javascript.html">Javascript plugins</a>
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</li>
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<li class="active">
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<a href="./less.html">Using LESS</a>
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</li>
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<li class="">
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<a href="./download.html">Download</a>
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</li>
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</ul>
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</div>
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</div>
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</div>
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<div class="container">
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<div class="alert">
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<strong>Heads up!</strong> This page is still under construction and is missing plenty of documentation. Hang tight!
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</div>
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<!-- Masthead
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================================================== -->
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<header class="jumbotron subhead" id="overview">
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<h1>Using LESS with Bootstrap</h1>
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<p class="lead">Customize and extend Bootstrap with <a href="http://lesscss.org" target="_blank">LESS</a>, a CSS preprocessor, to take advantage of the variables, mixins, and more used to build Bootstrap's CSS.</p>
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<div class="subnav">
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<ul class="nav pills">
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<li><a href="#builtWith">Built with Less</a></li>
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<li><a href="#variables">Variables</a></li>
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<li><a href="#mixins">Mixins</a></li>
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<li><a href="#compiling">Compiling Bootstrap</a></li>
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</ul>
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</div>
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</header>
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<!-- BUILT WITH LESS
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================================================== -->
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<section id="builtWith">
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<div class="page-header">
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<h1>Built with LESS</h1>
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</div>
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<div class="row">
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<div class="span4">
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<h3>Why LESS?</h3>
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<p>Bootstrap is made with LESS at it's core, a dynamic stylesheet language created by our good friend, <a href="http://cloudhead.io">Alexis Sellier</a>. It makes developing systems-based CSS faster, easier, and more fun.</p>
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</div>
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<div class="span4">
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<h3>What's included?</h3>
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<p>As an extension of CSS, LESS includes variables, mixins for reusable snippets of code, operations for simple math, nesting, and even color functions.</p>
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</div>
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<div class="span4">
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<h3>Learn more</h3>
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<img style="float: right; height: 36px;" src="assets/img/less-logo-large.png" alt="LESS CSS">
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<p>Visit the official website at <a href="http://lesscss.org">http://lesscss.org</a> to learn more.</p>
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</div>
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</div>
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<div class="row">
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<div class="span4">
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<h3>Variables</h3>
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<p>Managing colors and pixel values in CSS can be a bit of a pain, usually full of copy and paste. Not with LESS though—assign colors or pixel values as variables and change them once.</p>
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</div>
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<div class="span4">
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<h3>Mixins</h3>
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<p>Those three border-radius declarations you need to make in regular ol' CSS? Now they're down to one line with the help of mixins, snippets of code you can reuse anywhere.</p>
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</div>
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<div class="span4">
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<h3>Operations</h3>
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<p>Make your grid, leading, and more super flexible by doing the math on the fly with operations. Multiple, divide, add, and subtract your way to CSS sanity.</p>
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</div>
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</div>
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</section>
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<!-- VARIABLES
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================================================== -->
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<section id="variables">
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<div class="page-header">
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<h1>Bootstrap variables <small></small></h1>
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</div>
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<h3>Hyperlinks</h3>
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<table class="table table-bordered table-striped">
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<thead>
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<tr>
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<th class="span2">Variable</th>
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<th>Value</th>
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<th>Usage</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><code>@linkColor</code></td>
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<td>#08c</td>
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<td>Default link text color</td>
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</tr>
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<tr>
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<td><code>@linkColorHover</code></td>
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<td><code>darken(@linkColor, 15%)</code></td>
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<td>Default link text hover color</td>
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</tr>
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</tbody>
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</table>
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<div class="row">
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<div class="span6">
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<h3>Grayscale colors</h3>
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<table class="table table-bordered table-striped">
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<thead>
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<tr>
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<th class="span2">Variable</th>
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<th>Value</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><code>@black</code></td>
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<td>#000</td>
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</tr>
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<tr>
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<td><code>@grayDarker</code></td>
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<td>#222</td>
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</tr>
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<tr>
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<td><code>@grayDark</code></td>
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<td>#333</td>
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</tr>
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<tr>
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<td><code>@gray</code></td>
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<td>#555</td>
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</tr>
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<tr>
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<td><code>@grayLight</code></td>
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<td>#999</td>
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</tr>
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<tr>
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<td><code>@grayLighter</code></td>
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<td>#eee</td>
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</tr>
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<tr>
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<td><code>@white</code></td>
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<td>#fff</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="span6">
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<h3>Accent colors</h3>
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<table class="table table-bordered table-striped">
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<thead>
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<tr>
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<th class="span2">Variable</th>
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<th>Value</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><code>@blue</code></td>
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<td>#049cdb</td>
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</tr>
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<tr>
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<td><code>@green</code></td>
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<td>#46a546</td>
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</tr>
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<tr>
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<td><code>@red</code></td>
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<td>#9d261d</td>
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</tr>
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<tr>
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<td><code>@yellow</code></td>
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<td>#ffc40d</td>
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</tr>
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<tr>
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<td><code>@orange</code></td>
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<td>#f89406</td>
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</tr>
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<tr>
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<td><code>@pink</code></td>
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<td>#c3325f</td>
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</tr>
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<tr>
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<td><code>@purple</code></td>
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<td>#7a43b6</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div> <!-- /row -->
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<div class="row">
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<div class="span6">
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<h3>Grid system</h3>
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<table class="table table-bordered table-striped">
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<thead>
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<tr>
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<th class="span2">Variable</th>
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<th>Value</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><code>@gridColumns</code></td>
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<td>12</td>
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</tr>
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<tr>
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<td><code>@gridColumnWidth</code></td>
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<td>60px</td>
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</tr>
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<tr>
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<td><code>@gridGutterWidth</code></td>
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<td>20px</td>
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</tr>
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<tr>
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<td><code>@siteWidth</code></td>
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<td><code>(@gridColumns * @gridColumnWidth) + (@gridGutterWidth * (@gridColumns - 1))</code></td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="span6">
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<h3>Typography</h3>
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<table class="table table-bordered table-striped">
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<thead>
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<tr>
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<th class="span2">Variable</th>
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<th>Value</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><code>@baseFontSize</code></td>
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<td>13px</td>
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</tr>
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<tr>
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<td><code>@baseFontFamily</code></td>
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<td><code>"Helvetica Neue", Helvetica, Arial, sans-serif</code></td>
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<td></td>
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</tr>
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<tr>
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<td><code>@baseLineHeight</code></td>
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<td>18px</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div> <!-- /row -->
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<h3>Components</h3>
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<div class="row">
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<div class="span6">
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<h4>Buttons</h4>
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<table class="table table-bordered table-striped">
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<tbody>
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<tr>
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<td class="span3"><code>@primaryButtonColor</code></td>
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<td><code>@blue</code></td>
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</tr>
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</tbody>
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</table>
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<h4>Forms</h4>
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<table class="table table-bordered table-striped">
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<tbody>
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<tr>
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<td class="span3"><code>@placeholderText</code></td>
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<td><code>@grayLight</code></td>
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</tr>
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</tbody>
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</table>
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<h4>Navbar</h4>
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<table class="table table-bordered table-striped">
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<tbody>
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<tr>
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<td class="span3"><code>@navbarHeight</code></td>
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<td>40px</td>
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</tr>
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<tr>
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<td><code>@navbarBackground</code></td>
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<td><code>@grayDarker</code></td>
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</tr>
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<tr>
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<td><code>@navbarBackgroundHighlight</code></td>
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<td><code>@grayDark</code></td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="span6">
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<h4>Form states and alerts</h4>
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<table class="table table-bordered table-striped">
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<tbody>
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<tr>
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<td class="span3"><code>@warningText</code></td>
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<td>#f3edd2</td>
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</tr>
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<tr>
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<td><code>@warningBackground</code></td>
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<td>#c09853</td>
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</tr>
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<tr>
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<td><code>@warningBorder</code></td>
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<td>#f3edd2</td>
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</tr>
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<tr>
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<td><code>@errorText</code></td>
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<td>#b94a48</td>
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</tr>
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<tr>
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<td><code>@errorBackground</code></td>
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<td>#f2dede</td>
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</tr>
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<tr>
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<td><code>@errorBorder</code></td>
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<td>#e9c7c7</td>
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</tr>
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<tr>
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<td><code>@successText</code></td>
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<td>#468847</td>
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</tr>
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<tr>
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<td><code>@successBackground</code></td>
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<td>#dff0d8</td>
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</tr>
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<tr>
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<td><code>@successBorder</code></td>
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<td>#cfe8c4</td>
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</tr>
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<tr>
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<td><code>@infoText</code></td>
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<td>#3a87ad</td>
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</tr>
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<tr>
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<td><code>@infoBackground</code></td>
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<td>#d9edf7</td>
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</tr>
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<tr>
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<td><code>@infoBorder</code></td>
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<td>#bfe1f2</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div><!-- /row -->
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</section>
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<!-- MIXINS
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================================================== -->
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<div class="page-header" id="mixins">
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<h1>Bootstrap mixins <small></small></h1>
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</div>
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<h3>Mixins up the wazoo</h3>
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<p>Mixins are basically includes or partials for CSS, allowing you to combine a block of code into one. They’re great for vendor prefixed properties like <code>box-shadow</code>, cross-browser gradients, font stacks, and more. Below is a sample of the mixins that are included with Bootstrap.</p>
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<h4>Font stacks</h4>
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<pre class="prettyprint linenums">
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#font {
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.shorthand(@weight: normal, @size: 14px, @lineHeight: 20px) {
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font-size: @size;
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font-weight: @weight;
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line-height: @lineHeight;
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}
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.sans-serif(@weight: normal, @size: 14px, @lineHeight: 20px) {
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font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
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font-size: @size;
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font-weight: @weight;
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line-height: @lineHeight;
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}
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...
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}
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</pre>
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<h4>Gradients</h4>
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<pre class="prettyprint linenums">
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#gradient {
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...
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.vertical (@startColor: #555, @endColor: #333) {
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background-color: @endColor;
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background-repeat: repeat-x;
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background-image: -khtml-gradient(linear, left top, left bottom, from(@startColor), to(@endColor)); // Konqueror
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background-image: -moz-linear-gradient(@startColor, @endColor); // FF 3.6+
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background-image: -ms-linear-gradient(@startColor, @endColor); // IE10
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background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, @startColor), color-stop(100%, @endColor)); // Safari 4+, Chrome 2+
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background-image: -webkit-linear-gradient(@startColor, @endColor); // Safari 5.1+, Chrome 10+
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background-image: -o-linear-gradient(@startColor, @endColor); // Opera 11.10
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background-image: linear-gradient(@startColor, @endColor); // The standard
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}
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...
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}
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</pre>
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<h3>Operations</h3>
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<p>Get fancy and perform some math to generate flexible and powerful mixins like the one below.</p>
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<pre class="prettyprint linenums">
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// Griditude
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@gridColumns: 16;
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@gridColumnWidth: 40px;
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@gridGutterWidth: 20px;
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@siteWidth: (@gridColumns * @gridColumnWidth) + (@gridGutterWidth * (@gridColumns - 1));
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// Make some columns
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.columns(@columnSpan: 1) {
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width: (@gridColumnWidth * @columnSpan) + (@gridGutterWidth * (@columnSpan - 1));
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}
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</pre>
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<!-- COMPILING LESS AND BOOTSTRAP
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================================================== -->
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<section id="compiling">
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<div class="page-header">
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<h1>Compiling Bootstrap with LESS</h1>
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</div>
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<div class="alert alert-info">
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<strong>Note:</strong> If you're submitting a pull request to GitHub with modified CSS, you <strong>must</strong> recompile the CSS via any of these methods.
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</div>
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<h2>Tools for compiling</h2>
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<div class="row">
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<div class="span4">
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<h3>Node with makefile</h3>
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<p>Install the LESS command line compiler with npm by running the following command:</p>
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<pre>$ npm install less</pre>
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<p>Once installed just run <code>make</code> from the root of your bootstrap directory and you're all set.</p>
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<p>Additionally, if you have <a href="https://github.com/mynyml/watchr">watchr</a> installed, you may run <code>make watch</code> to have bootstrap automatically rebuilt every time you edit a file in the bootstrap lib (this isn't required, just a convenience method).</p>
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</div><!-- /span4 -->
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<div class="span4">
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<h3>Command line</h3>
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<p>Install the LESS command line tool via Node and run the following command:</p>
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<pre>$ lessc ./lib/bootstrap.less > bootstrap.css</pre>
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<p>Be sure to include <code>--compress</code> in that command if you're trying to save some bytes!</p>
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</div><!-- /span4 -->
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<div class="span4">
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<h3>Javascript</h3>
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<p><a href="http://lesscss.org/">Download the latest Less.js</a> and include the path to it (and Bootstrap) in the <code><head></code>.</p>
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<pre class="prettyprint">
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<link rel="stylesheet/less" href="/path/to/bootstrap.less">
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<script src="/path/to/less.js"></script>
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</pre>
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<p>To recompile the .less files, just save them and reload your page. Less.js compiles them and stores them in local storage.</p>
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</div><!-- /span4 -->
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</div><!-- /row -->
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<div class="row">
|
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<div class="span4">
|
||
<h3>Unofficial Mac app</h3>
|
||
<p><a href="http://incident57.com/less/">The unofficial Mac app</a> watches directories of .less files and compiles the code to local files after every save of a watched .less file.</p>
|
||
<p>If you like, you can toggle preferences in the app for automatic minifying and which directory the compiled files end up in.</p>
|
||
</div><!-- /span4 -->
|
||
<div class="span4">
|
||
<h3>More Mac apps</h3>
|
||
<h4><a href="http://crunchapp.net/" target="_blank">Crunch</a></h4>
|
||
<p>Crunch is a great looking LESS editor and compiler built on Adobe Air.</p>
|
||
<h4><a href="http://incident57.com/codekit/" target="_blank">CodeKit</a></h4>
|
||
<p>Created by the same guy as the unofficial Mac app, CodeKit is a Mac app that compiles LESS, SASS, Stylus, and CoffeeScript.</p>
|
||
<h4><a href="http://wearekiss.com/simpless" target="_blank">Simpless</a></h4>
|
||
<p>Mac, Linux, and PC app for drag and drop compiling of LESS files. Plus, the <a href="https://github.com/Paratron/SimpLESS" target="_blank">source code is on GitHub</a>.</p>
|
||
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<p>Code licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0" target="_blank">Apache License v2.0</a>. Documentation licensed under <a href="http://creativecommons.org/licenses/by/3.0/">CC BY 3.0</a>.</p>
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