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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>CSS Base</title> |
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<link rel="stylesheet" href="http://fonts.googleapis.com/css?family=PT+Sans:400,700,400italic,700italic"> |
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<link rel="stylesheet" href="../../build/cssgrids/cssgrids-min.css"> |
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<link rel="stylesheet" href="../assets/css/main.css"> |
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<link rel="stylesheet" href="../assets/vendor/prettify/prettify-min.css"> |
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<link rel="shortcut icon" type="image/png" href="../assets/favicon.png"> |
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<script src="../../build/yui/yui-min.js"></script> |
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</head> |
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<body> |
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<!-- |
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<a href="https://github.com/yui/yui3"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png" alt="Fork me on GitHub"></a> |
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--> |
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<div id="doc"> |
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<div id="hd"> |
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<h1><img src="http://yuilibrary.com/img/yui-logo.png"></h1> |
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</div> |
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<a href="#toc" class="jump">Jump to Table of Contents</a> |
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<h1>CSS Base</h1> |
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<div class="yui3-g"> |
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<div class="yui3-u-3-4"> |
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<div id="main"> |
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<div class="content"> <div class="intro" class="component"> |
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<p class="deprecated"><em> |
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<strong>Note:</strong> The files "base.css" and "base-context.css" are deprecated, use "cssbase.css" and |
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"cssbase-context.css" instead. |
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</em></p> |
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<p>CSS Base is an optional CSS file that complements YUI's core CSS foundation (<a href="../cssreset/">CSS Reset</a> and <a href="../cssfonts/">CSS Fonts</a>). CSS Base applies a style foundation for HTML elements that is consistent for <a href="http://developer.yahoo.com/yui/articles/gbs">baseline browsers</a>.</p> |
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<p>CSS Base may also be useful as a template for your own base file, or a snippets library for styling HTML elements.</p> |
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</div><!-- /promo --> |
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<h2 id="start">Getting Started</h2> |
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<h3 id="dependencies">Include Dependencies</h3> |
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<p>To use CSS Base, include the following source file in your web page:</p> |
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<pre class="code prettyprint"><link rel="stylesheet" type="text/css" href="http://yui.yahooapis.com/3.10.3/build/cssbase/cssbase-min.css"></pre> |
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<h3 id="context">Global vs. Contextual</h3> |
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<p>YUI's CSS resources apply rules to HTML elements directly (using <a href="http://www.w3.org/TR/CSS21/selector.html#type-selectors">type selectors</a>). An alternate version of the resource is available that target elements by context only. This contextual <code>-context.css</code> version selects HTML elements only when they descend from the <code>.yui3-cssbase</code> classname.</p> |
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<p>Here is how to include the contextual version of CSS Base:</p> |
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<pre class="code prettyprint"><link rel="stylesheet" type="text/css" href="http://yui.yahooapis.com/3.10.3/build/cssbase-context/cssbase-context-min.css"></pre> |
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<h2 id="using">Using CSS Base</h2> |
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<h3 id="start-in-context">Using CSS Base In Specific Contexts</h3> |
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<p>If you're using the contextual version, CSS Base's rules are only applied to elements that descend from a node with a class value of <code>.yui3-cssbase</code>. The classname can go as high in the DOM tree as desired, including on the <code>HTML</code> element directly.</p> |
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<p>The following code snippet show how you might apply CSS Base to one of two columns:</p> |
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<pre class="code prettyprint"><div> |
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<div id="left-column" class="yui3-cssbase"><h1>Lorem Ipsum</h1></div> |
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<div id="right-column"><h1>Lorem Ipsum</h1></div> |
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</div></pre> |
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</div> |
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</div> |
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</div> |
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<div class="yui3-u-1-4"> |
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<div class="sidebar"> |
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<div id="toc" class="sidebox"> |
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<div class="hd"> |
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<h2 class="no-toc">Table of Contents</h2> |
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</div> |
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<div class="bd"> |
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<ul class="toc"> |
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<li> |
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<a href="#start">Getting Started</a> |
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<ul class="toc"> |
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<li> |
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<a href="#dependencies">Include Dependencies</a> |
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</li> |
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<li> |
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<a href="#context">Global vs. Contextual</a> |
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</li> |
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</ul> |
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</li> |
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<li> |
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<a href="#using">Using CSS Base</a> |
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<ul class="toc"> |
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<li> |
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<a href="#start-in-context">Using CSS Base In Specific Contexts</a> |
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</li> |
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</ul> |
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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 class="sidebox"> |
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<div class="hd"> |
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<h2 class="no-toc">Examples</h2> |
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</div> |
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<div class="bd"> |
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<ul class="examples"> |
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<li data-description="When CSS Base is included in a page it provides consistent and basic cross-browser styling for HTML elements."> |
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<a href="cssbase-basic.html">Global (Page-Level) Example</a> |
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</li> |
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<li data-description="CSS Base applied to a portion of a page based on the location of a class value."> |
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<a href="cssbase-context.html">Contextual Example</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 class="sidebox"> |
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<div class="hd"> |
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<h2 class="no-toc">Examples That Use This Component</h2> |
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</div> |
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<div class="bd"> |
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<ul class="examples"> |
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<li data-description="When CSS Reset is included in a page, it removes the browser-provided styling for HTML elements."> |
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<a href="../cssreset/cssreset-basic.html">Global (Page-Level) Example</a> |
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</li> |
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<li data-description="CSS Reset applied to a portion of a page based on the location of a class value."> |
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<a href="../cssreset/cssreset-context.html">Contextual Example</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> |
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</div> |
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<script src="../assets/vendor/prettify/prettify-min.js"></script> |
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<script>prettyPrint();</script> |
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<script> |
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YUI.Env.Tests = { |
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examples: [], |
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project: '../assets', |
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assets: '../assets/cssbase', |
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name: 'cssbase', |
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title: 'CSS Base', |
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newWindow: '', |
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auto: false |
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}; |
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YUI.Env.Tests.examples.push('cssbase-basic'); |
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YUI.Env.Tests.examples.push('cssbase-context'); |
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YUI.Env.Tests.examples.push('cssreset-basic'); |
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YUI.Env.Tests.examples.push('cssreset-context'); |
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</script> |
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<script src="../assets/yui/test-runner.js"></script> |
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</body> |
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</html> |