CSS案例

 

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>饭桶教程(kuaikuaixuan.com)</title>
<style>
body {counter-reset:section;}
h1 {counter-reset:subsection;}
h1:before
{
counter-increment:section;
content:"Section " counter(section) ". ";
}
h2:before 
{
counter-increment:subsection;
content:counter(section) "." counter(subsection) " ";
}
</style>
</head>
<body>
<p><b>注意:</b> 仅当 !DOCTYPE已经定义 IE8支持 这个属性.</p>
<h1>HTML tutorials</h1>
<h2>HTML Tutorial</h2>
<h2>XHTML Tutorial</h2>
<h2>CSS Tutorial</h2>
<h1>Scripting tutorials</h1>
<h2>JavaScript</h2>
<h2>VBScript</h2>
<h1>XML tutorials</h1>
<h2>XML</h2>
<h2>XSL</h2>
</body>
</html>



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