<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>首页布局</title>
<style>
#A1{
width: 1000px;
}
#header{
height: 150px;
background: black;
}
#main{
height: 600px;
background: white;
}
#lside{
float: left;
height: 90%;
width: 80%;
background: blue;
}
#rside{
float: right;
height: 600px;
width: 20%;
background: gray;
}
#fside{
float: left;
height: 10%;
width: 80%;
background: black;
}
#footer{
height: 100px;
background: darkred;
}
</style>
</head>
<body>
<div id="A1">
<div id="header"></div>
<div id="main">
<div id="lside"></div>
<div id="rside"></div>
<div id="fside"></div>
</div>
<div id="footer"></div>
</div>
</body>
</html>
原文：http://www.cnblogs.com/jiangshaoxia/p/4989960.html