<!DOCTYPE html>
<html lang="en">
<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>圣杯布局弹性实现</title>
<style>
*{
margin:0;
padding:0;
}
.header{
width:100%;
height:100px;
background: #ccc;
}
.container{
display: flex;
}
.column{
min-height: 400px;
}
.left{
width:200px;
background: yellow;
}
.center{
flex:1;
background:saddlebrown;
}
.right{
width:150px;
background: seagreen;
}
.footer{
width:100%;
height:100px;
background: #ccc;
}
</style>
</head>
<body>
<div class="header"></div>
<div class="container">
<div class="left column">2</div>
<div class="center column">1</div>
<div class="right column">3</div>
</div>
<div class="footer"></div>
</body>
</html>