<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>盒子左右布局案例</title>
<style>
.top,
.banner,
.main,
.footer{
width: 900px;
border: 1px dashed #cccccc;
margin: auto;
}
.top{
height: 80px;
background-color: red;
}
.banner{
height: 120px;
margin: 5px auto 0;
background-color: blue;
}
.main{
height: 500px;
margin: 5px auto;
background-color: #eeeeee;
}
.left{
width: 300px;
height: 500px;
float: left;
background-color: coral;
}
.right{
width: 600px;
height: 500px;
float: left;
background-color: cornflowerblue;
}
.footer{
height: 100px;
background-color: black;
}
</style>
</head>
<body>
<div class="top"></div>
<div class="banner"></div>
<div class="main">
<div class="left"></div>
<div class="right"></div>
</div>
<div class="footer">footer</div>
</body>
</html>
