<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
body,ul,li{
margin:0;
padding: 0;
}
ul,li{
list-style: none;
}
.nav{
width: 800px;
height: 40px;
background: pink;
margin: 20px auto;
}
.nav ul li{
float: left;
}
.nav ul li a{
display: inline-block;
height: 40px;
font: 14px/40px 微软雅黑;
padding:0 20px;
text-decoration: none;
}
.nav ul li a:hover{
background: #aaa;
}
</style>
</head>
<body>
<div class="nav">
<ul>
<li><a href="#">百度</a></li>
<li><a href="#">百度一下</a></li>
<li><a href="#">14期威武</a></li>
</ul>
</div>
</body>
</html>
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