作者：红妆
图片展示：
代码：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>CSS定义HR水平线</title>
<style type="text/css">
<!--
.hr0{ height:1px;border:none;border-top:1px dashed #0066CC;}
.hr1{ height:1px;border:none;border-top:1px solid #555555;}
.hr2{ height:3px;border:none;border-top:3px double red;}
.hr3{ height:5px;border:none;border-top:5px ridge green;}
.hr4{ height:10px;border:none;border-top:10px groove skyblue;}
-->
</style>
</head>
<body>
<hr class="hr0" />
<hr class="hr1" />
<hr class="hr2" />
<hr class="hr3" />
<hr class="hr4" />
</body>
</html>