效果:
代码:
<!DOCTYPE html>
<html>
<head>
<title>JQuery实现下拉菜单</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style type="text/css">
*{margin: 0px;padding: 0px}
.nav-ul{list-style: none;border-bottom: 8px solid #666;overflow: auto;}
.nav-ul li{float: left;line-height: 40px;text-align: center;position: relative;}
.nav-ul li a {text-decoration: none;color: #000;display: block;padding:0 10px;}
.nav-ul li a:hover{color: #FFF;background-color: #666}
.nav-ul li a span{display: none;}
.nav-ul li a:hover span{display: block;}
.nav-ul li a:hover{margin-top: -40px}
</style>
</head>
<body>
<ul class="nav-ul">
<li><a href="">首页<span>home</span></a></li>
<li class="nav-ul-li"><a href="">我的课程<span>course</span></a></li>
<li><a href="">关于我们<span>about</span></a></li>
</ul>
</body>
</html>
本文出自 “素颜” 博客，请务必保留此出处http://suyanzhu.blog.51cto.com/8050189/1828815
原文：http://suyanzhu.blog.51cto.com/8050189/1828815