mirror of
https://github.com/twbs/bootstrap.git
synced 2022-11-09 12:25:43 -05:00
203 lines
9.6 KiB
HTML
203 lines
9.6 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>Extend · Twitter Bootstrap</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="http://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-precomposed" sizes="144x144" href="assets/ico/apple-touch-icon-144-precomposed.png">
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<link rel="apple-touch-icon-precomposed" sizes="114x114" href="assets/ico/apple-touch-icon-114-precomposed.png">
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<link rel="apple-touch-icon-precomposed" sizes="72x72" href="assets/ico/apple-touch-icon-72-precomposed.png">
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<link rel="apple-touch-icon-precomposed" href="assets/ico/apple-touch-icon-57-precomposed.png">
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</head>
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<body data-spy="scroll" data-target=".bs-docs-sidebar" data-offset="10">
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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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<button type="button" 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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</button>
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<a class="brand" href="./index.html">Bootstrap</a>
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<div class="nav-collapse collapse">
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<ul class="nav">
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<li class="">
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<a href="./index.html">Home</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</a>
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</li>
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<li class="">
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<a href="./extend.html">Extend</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>Extending Bootstrap</h1>
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<p class="lead">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="navbar navbar-subnav">
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<div class="navbar-inner">
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<ul class="nav">
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<li><a href="#builtWith">Built with Less</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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</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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<h3>Why LESS?</h3>
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<p>Bootstrap is made with LESS at its 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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<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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<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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<h3><a href="#variables">Variables</a></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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<h3><a href="#mixins">Mixins</a></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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<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. Multiply, divide, add, and subtract your way to CSS sanity.</p>
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</section>
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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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<h3>Node with makefile</h3>
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<p>Install the LESS command line compiler, JSHint, Recess, and uglify-js globally with npm by running the following command:</p>
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<pre>$ npm install -g less jshint recess uglify-js</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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<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 ./less/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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<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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<h3>Unofficial Mac app</h3>
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<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>
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<p>If you like, you can toggle preferences in the app for automatic minifying and which directory the compiled files end up in.</p>
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<h3>More Mac apps</h3>
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<h4><a href="http://crunchapp.net/" target="_blank">Crunch</a></h4>
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<p>Crunch is a great looking LESS editor and compiler built on Adobe Air.</p>
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<h4><a href="http://incident57.com/codekit/" target="_blank">CodeKit</a></h4>
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<p>Created by the same guy as the unofficial Mac app, CodeKit is a Mac app that compiles LESS, SASS, Stylus, and CoffeeScript.</p>
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<h4><a href="http://wearekiss.com/simpless" target="_blank">Simpless</a></h4>
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<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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</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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<ul class="footer-links">
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<li><a href="http://blog.getbootstrap.com">Read the blog</a></li>
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<li><a href="https://github.com/twitter/bootstrap/issues?state=open">Submit issues</a></li>
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<li><a href="https://github.com/twitter/bootstrap/wiki">Roadmap and changelog</a></li>
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</ul>
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</footer>
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</div>
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<!-- Le javascript
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================================================== -->
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<!-- Placed at the end of the document so the pages load faster -->
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<script type="text/javascript" src="http://platform.twitter.com/widgets.js"></script>
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<script src="assets/js/jquery.js"></script>
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<script src="assets/js/google-code-prettify/prettify.js"></script>
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<script src="assets/js/bootstrap-transition.js"></script>
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<script src="assets/js/bootstrap-alert.js"></script>
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<script src="assets/js/bootstrap-modal.js"></script>
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<script src="assets/js/bootstrap-dropdown.js"></script>
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<script src="assets/js/bootstrap-scrollspy.js"></script>
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<script src="assets/js/bootstrap-tab.js"></script>
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<script src="assets/js/bootstrap-tooltip.js"></script>
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<script src="assets/js/bootstrap-popover.js"></script>
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<script src="assets/js/bootstrap-button.js"></script>
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<script src="assets/js/bootstrap-collapse.js"></script>
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<script src="assets/js/bootstrap-carousel.js"></script>
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<script src="assets/js/bootstrap-typeahead.js"></script>
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<script src="assets/js/application.js"></script>
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</body>
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</html>
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