<!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">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style type="text/css">
*{ margin:0px; padding:0px;}
#nav{background-color:#eee; width:600px; height:40px; margin:0 auto;}
ul{ list-style:none;}
ul li{ float:left; width:90px; line-height:40px; text-align:center; position:relative;}
a{ text-decoration:none; color:#000; display:block; padding:0 10px; height:40px;}
a:hover{ color:#FFF; background-color:#666;}
ul li ul li{ float:none; background-color:#eee; margin-top:2px;}
ul li ul{ position:absolute; left:0px; top:40px; display:none;}
ul li ul li a:hover{ background-color:#06F;}
ul li:hover ul{ display:block;}
</style>
</head>
<body>
<div id="nav">
<ul>
<li><a href="#">首页</a></li>
<li><a href="#">课程大厅</a>
<ul>
<li><a href="#">JavaScript</a></li>
<li><a href="#">JQuery</a></li>
</ul>
</li>
<li><a href="#">学习中心</a>
<ul>
<li><a href="#">JavaScript</a></li>
<li><a href="#">JQuery</a></li>
</ul>
</li>
<li><a href="#">经典案例</a></li>
<li><a href="#">关于我们</a></li>
</ul>
</div>
</body>
</html>
囧小宝
2014-09-21
0 回答
举报
0/150
提交
取消
