<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<style>
*{
margin:0px;
padding:0px;
font-size:15px;
color:black;
}
li{
width: 100px;
height: 30px;
background-color: #efefef;
float:left;
list-style:none;
border-right: 1px;
border:solid white;
line-height: 30px;
text-indent: 20px;
border-left: 10px;
}
a{
text-decoration: none;
display: block;
}
.top{
background-color: #ff6600;
color: white;
}
a:hover{
background-color: #ff6600;
}
div{
width:1500px;
height: 10px;
background-color: #ff6600;
float: left;
border-top: 0px;
}
</style>
</head>
<body>
<ul >
<li><a href="#" class="top" >首 页</a></li>
<li><a href="#">关于我们</a></li>
<li><a href="#">产品展示</a></li>
<li><a href="#">售后服务</a></li>
<li><a href="#">联系我们</a></li>
</ul>
<div></div>
</body>
</html>
原文：http://www.cnblogs.com/ziakang/p/6246123.html