<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>混合布局编程挑战</title>
<style type="text/css">
body{
margin:0;
padding:0;
font-size:30px;
color:#fff;
position: relative;
}
.top{
position: absolute;
top: 0px;
left: 0px;
background: blue;
}
.main{
background: red;
position: relative;
}
.left{
background: #abcdef;
width: 200px;
float: left;
position: absolute;
top: 0;
left: 0;
}
.right{
background: green;
margin:0 0 200px 0;
}
.foot{
background: #000;
clear: both;
}
</style>
</head>
<body>
<div class="top">top</div>
<div class="main">
<div class="right">right</div>
<div class="left">left</div>
</div>
<div class="foot">foot</div>
</body>
</html>
