导航浮动展示案例
<!doctype html>
<html>
<meta charset="utf-8">
<title>导航浮动</title>
<head>
<style type="text/css">
ul li{list-style: none; width:100px; height:40px;line-height: 40px; text-align: center; background-color: #ccc; margin:5px 5px; float:left;}
</style>
</head>
<body>
<ul>
<li>HTML</li>
<li>CSS</li>
<li>JavaJScript</li>
<li>jquery</li>
<li>php</li>
</ul>
</body>
</html>