mirror of
https://github.com/overleaf/overleaf.git
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443 lines
15 KiB
HTML
443 lines
15 KiB
HTML
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<!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 styles -->
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<link href="assets/css/bootstrap.css" rel="stylesheet">
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<link href="assets/css/bootstrap-responsive.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 HTML5 shim, for IE6-8 support of HTML5 elements -->
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<!--[if lt IE 9]>
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<script src="//html5shim.googlecode.com/svn/trunk/html5.js"></script>
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<![endif]-->
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<!-- Le fav and touch icons -->
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<link rel="shortcut icon" href="assets/ico/favicon.ico">
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<link rel="apple-touch-icon" href="assets/ico/apple-touch-icon.png">
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<link rel="apple-touch-icon" sizes="72x72" href="assets/ico/apple-touch-icon-72x72.png">
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<link rel="apple-touch-icon" sizes="114x114" href="assets/ico/apple-touch-icon-114x114.png">
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</head>
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<body data-spy="scroll" data-target=".subnav" data-offset="50">
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<!-- Navbar
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================================================== -->
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<div class="navbar navbar-fixed-top">
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<div class="navbar-inner">
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<div class="container">
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<a class="btn btn-navbar" data-toggle="collapse" data-target=".nav-collapse">
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<span class="icon-bar"></span>
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<span class="icon-bar"></span>
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<span class="icon-bar"></span>
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</a>
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<a class="brand" href="./index.html">Bootstrap</a>
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<div class="nav-collapse">
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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="active">
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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="">
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<a href="./less.html">Using LESS</a>
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</li>
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<li class="divider-vertical"></li>
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<li class="">
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<a href="./download.html">Customize</a>
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</li>
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<li class="">
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<a href="./examples.html">Examples</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>
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<div class="container">
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<!-- Masthead
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================================================== -->
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<header class="jumbotron subhead" id="overview">
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<h1>Scaffolding</h1>
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<p class="lead">Bootstrap is built on a responsive 12-column grid. We've also included fixed- and fluid-width layouts based on that system.</p>
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<div class="subnav">
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<ul class="nav nav-pills">
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<li><a href="#grid-system">Grid system</a></li>
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<li><a href="#layouts">Layouts</a></li>
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<li><a href="#responsive">Responsive design</a></li>
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</ul>
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</div>
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</header>
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<!-- Grid system
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================================================== -->
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<section id="grid-system">
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<div class="page-header">
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<h1>Grid system <small>12 columns with a responsive twist</small></h1>
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</div>
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<h2>Default grid</h2>
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<div class="row show-grid">
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<div class="span1">1</div>
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<div class="span1">1</div>
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<div class="span1">1</div>
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<div class="span1">1</div>
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<div class="span1">1</div>
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<div class="span1">1</div>
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<div class="span1">1</div>
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<div class="span1">1</div>
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<div class="span1">1</div>
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<div class="span1">1</div>
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<div class="span1">1</div>
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<div class="span1">1</div>
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</div>
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<div class="row show-grid">
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<div class="span4">4</div>
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<div class="span4">4</div>
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<div class="span4">4</div>
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</div>
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<div class="row show-grid">
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<div class="span4">4</div>
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<div class="span8">8</div>
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</div>
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<div class="row show-grid">
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<div class="span6">6</div>
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<div class="span6">6</div>
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</div>
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<div class="row show-grid">
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<div class="span12">12</div>
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</div>
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<div class="row">
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<div class="span4">
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<p>The default grid system provided as part of Bootstrap is a <strong>940px-wide, 12-column grid</strong>.</p>
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<p>It also has four responsive variations for various devices and resolutions: phone, tablet portrait, table landscape and small desktops, and large widescreen desktops.</p>
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</div>
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<div class="span4">
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<pre class="prettyprint linenums">
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<div class="row">
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<div class="span4">...</div>
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<div class="span8">...</div>
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</div>
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</pre>
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</div>
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<div class="span4">
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<p>As shown here, a basic layout can be created with two "columns," each spanning a number of the 12 foundational columns we defined as part of our grid system.</p>
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</div>
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</div><!-- /row -->
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<br>
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<h2>Offsetting columns</h2>
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<div class="row show-grid">
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<div class="span4">4</div>
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<div class="span4 offset4">4 offset 4</div>
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</div><!-- /row -->
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<div class="row show-grid">
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<div class="span3 offset3">3 offset 3</div>
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<div class="span3 offset3">3 offset 3</div>
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</div><!-- /row -->
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<div class="row show-grid">
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<div class="span8 offset4">8 offset 4</div>
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</div><!-- /row -->
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<pre class="prettyprint linenums">
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<div class="row">
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<div class="span4">...</div>
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<div class="span4 offset4">...</div>
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</div>
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</pre>
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<br>
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<h2>Nesting columns</h2>
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<div class="row">
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<div class="span6">
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<p>With the static (non-fluid) grid system in Bootstrap, nesting is easy. To nest your content, just add a new <code>.row</code> and set of <code>.span*</code> columns within an existing <code>.span*</code> column.</p>
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<h4>Example</h4>
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<div class="row show-grid">
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<div class="span6">
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Level 1 of column
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<div class="row show-grid">
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<div class="span3">
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Level 2
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</div>
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<div class="span3">
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Level 2
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</div>
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</div>
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</div>
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</div>
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</div>
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<div class="span6">
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<pre class="prettyprint linenums">
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<div class="row">
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<div class="span12">
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Level 1 of column
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<div class="row">
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<div class="span6">Level 2</div>
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<div class="span6">Level 2</div>
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</div>
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</div>
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</div>
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</pre>
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</div>
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</div>
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<h2>Grid customization</h2>
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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>Variable</th>
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<th>Default value</th>
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<th>Description</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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<td>Number of columns</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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<td>Width of each column</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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<td>Negative space between columns</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><em>Computed sum of all columns and gutters</em></td>
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<td>Counts number of columns and gutters to set width of the <code>.container-fixed()</code> mixin</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="span4">
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<h3>Variables in LESS</h3>
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<p>Built into Bootstrap are a handful of variables for customizing the default 940px grid system, documented above. All variables for the grid are stored in variables.less.</p>
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</div>
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<div class="span4">
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<h3>How to customize</h3>
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<p>Modifying the grid means changing the three <code>@grid*</code> variables and recompiling Bootstrap. Change the grid variables in variables.less and use one of the <a href="less.html#compiling">four ways documented to recompile</a>. If you're adding more columns, be sure to add the CSS for those in grid.less.</p>
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</div>
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<div class="span4">
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<h3>Staying responsive</h3>
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<p>Customization of the grid only works at the default level, the 940px grid. To maintain the responsive aspects of Bootstrap, you'll also have to customize the grids in responsive.less.</p>
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</div>
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</div><!-- /row -->
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</section>
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<!-- Layouts (Default and fluid)
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================================================== -->
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<section id="layouts">
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<div class="page-header">
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<h1>Layouts <small>Basic templates to create webpages</small></h1>
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</div>
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<div class="row">
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<div class="span6">
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<h2>Fixed layout</h2>
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<p>The default and simple 940px-wide, centered layout for just about any website or page provided by a single <code><div class="container"></code>.</p>
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<div class="minicon-layout">
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<div class="minicon-layout-body"></div>
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</div>
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<pre class="prettyprint linenums">
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<body>
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<div class="container">
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...
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</div>
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</body>
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</pre>
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</div><!-- /col -->
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<div class="span6">
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<h2>Fluid layout</h2>
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<p><code><div class="container-fluid"></code> gives flexible page structure, min- and max-widths, and a left-hand sidebar. It's great for apps and docs.</p>
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<div class="minicon-layout fluid">
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<div class="minicon-layout-sidebar"></div>
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<div class="minicon-layout-body"></div>
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</div>
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<pre class="prettyprint linenums">
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<div class="container-fluid">
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<div class="row-fluid">
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<div class="span2">
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<!--Sidebar content-->
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</div>
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<div class="span10">
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<!--Body content-->
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</div>
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</div>
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</div>
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</pre>
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</div><!-- /col -->
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</div><!-- /row -->
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</section>
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<!-- Responsive design
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================================================== -->
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<section id="responsive">
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<div class="page-header">
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<h1>Responsive design <small>Media queries for various devices and resolutions</small></h1>
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</div>
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<!-- Supported devices -->
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<div class="row">
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<div class="span4">
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<img src="assets/img/responsive-illustrations.png" alt="Responsive devices">
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</div>
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<div class="span8">
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<h2>Supported devices</h2>
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<p>Bootstrap supports a handful of media queries in a single file to help make your projects more appropriate on different devices and screen resolutions. Here's what's included:</p>
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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>Label</th>
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<th>Layout width</th>
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<th>Column width</th>
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<th>Gutter width</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>Smartphones</td>
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<td>480px and below</td>
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<td class="muted" colspan="2">Fluid columns, no fixed widths</td>
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</tr>
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<tr>
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<td>Portrait tablets</td>
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<td>480px to 768px</td>
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<td class="muted" colspan="2">Fluid columns, no fixed widths</td>
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</tr>
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<tr>
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<td>Landscape tablets</td>
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<td>768px to 980px</td>
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<td>42px</td>
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<td>20px</td>
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</tr>
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<tr>
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<td>Default</td>
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<td>980px and up</td>
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<td>60px</td>
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<td>20px</td>
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</tr>
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<tr>
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<td>Large display</td>
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<td>1210px and up</td>
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<td>70px</td>
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<td>30px</td>
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</tr>
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</tbody>
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</table>
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<h3>Requires meta tag</h3>
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<p>To ensure devices display responsive pages properly, include the viewport meta tag.</p>
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<pre class="prettyprint linenums"><meta name="viewport" content="width=device-width, initial-scale=1.0"></pre>
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<h3>What they do</h3>
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<p>Media queries allow for custom CSS based on a number of conditions—ratios, widths, display type, etc—but usually focuses around <code>min-width</code> and <code>max-width</code>.</p>
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<ul>
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<li>Modify the width of column in our grid</li>
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<li>Stack elements instead of float wherever necessary</li>
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<li>Resize headings and text to be more appropriate for devices</li>
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</ul>
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</div>
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</div>
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<br>
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<!-- Media query code -->
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<h2>Using the media queries</h2>
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<div class="row">
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<div class="span5">
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<p>Bootstrap doesn't automatically include these media queries, but understanding and adding them is very easy and requires minimal setup. You have a few options for including the responsive features of Bootstrap:</p>
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<ol>
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<li>Use the compiled responsive version, bootstrap-responsive.css</li>
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<li>Add @import "responsive.less" and recompile Bootstrap</li>
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<li>Modify and recompile responsive.less as a separate file</li>
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</ol>
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<p><strong>Why not just include it?</strong> Truth be told, not everything needs to be responsive. Instead of encouraging developers to remove this feature, we figure it best to enable it.</p>
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</div>
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<div class="span7">
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<pre class="prettyprint linenums">
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// Landscape phones and down
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@media (max-width: 480px) { ... }
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// Landscape phone to portrait tablet
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@media (max-width: 768px) { ... }
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// Portrait tablet to landscape and desktop
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@media (min-width: 768px) and (max-width: 980px) { ... }
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// Large desktop
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@media (min-width: 1200px) { .. }
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</pre>
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</div>
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</div>
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</section>
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<!-- Footer
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================================================== -->
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<footer class="footer">
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<p class="pull-right"><a href="#">Back to top</a></p>
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<p>Designed and built with all the love in the world <a href="http://twitter.com/twitter" target="_blank">@twitter</a> by <a href="http://twitter.com/mdo" target="_blank">@mdo</a> and <a href="http://twitter.com/fat" target="_blank">@fat</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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<p>Icons from <a href="http://glyphicons.com">Glyphicons Free</a>, licensed under <a href="http://creativecommons.org/licenses/by/3.0/">CC BY 3.0</a>.</p>
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