css中的浮动
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>css中的浮动</title>
<style type="text/css">
ul li{list-style: none;width: 100px;height: 50px;line-height: 50px;text-align: center;background-color: pink; margin: 0px 1px;float: left;}
.box1{width: 200px;height: 50px;background-color: #ccc;float: left;}
.box{clear: both;}
</style>
</head>
<body>
<ul>
<li>php</li>
<li>css</li>
<li>浮动</li>
</ul>
<div class="box"></div>
<div class="box1">2</div>
<div class="box1">3</div>
</body>
</html>