<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>圣杯布局</title>
<style type="text/css">
*{
margin: 0;
padding: 0;
}
body{
min-width: 600px;
}
.header, .footer{
height: 20px;
border: 1px solid;
text-align: center;
}
.content{
padding: 0 200px;
overflow: hidden;
}
.content .middle,
.content .f-left,
.content .f-right{
padding-bottom: 10000px;
margin-bottom: -10000px;
}
.content .middle{
float: left;
width: 100%;
background-color: #096;
}
.content .f-left{
position: relative;
left: -200px;
float: left;
width: 200px;
margin-left: -100%;
background-color: #ffc;
}
.content .f-right{
position: relative;
right: -200px;
float: right;
width: 200px;
margin-left: -200px;
background-color: #ffc;
}
.clearfix{
*zoom: 1;
}
.clearfix:after{
content: "";
display: block;
clear: both;
}
</style>
</head>
<body>
<div class="header">header</div>
<div class="content clearfix">
<div class="middle">middle</div>
<div class="f-left">f-left</div>
<div class="f-right">f-right</div>
</div>
<div class="footer">footer</div>
</body>
</html>
原文：https://www.cnblogs.com/yitiansanchangyu/p/12317949.html