代码示例:(标识:eg_csse_gen_counter-reset)
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<style type="text/css">
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>注释:</b>如果已规定 !DOCTYPE,那么 Internet Explorer 8 (以及更高版本)支持 counter-increment 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>
运行结果: