<heml lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>主页</title>
<link rel="stylesheet" type="text/css" href="123.css">
</head>
<body>
<div class="top">
<div class="head"></div>
</div>
<div class="main">
<div class="left"></div>
<div class="right">
<div class="sub-left"></div>
<div class="sub-right"></div>
</div>
</div>
</body>
</html>
.body{
margin:0;
padding: 0;
}
.top{
height:100px;
background:yellow;
margin: 50px 50px 10px 20px;
}
.head{
225px;
height:100px;
background:red;
margin: 0 auto;
}
.main{
1100px;
height:500px;
/* background-color: #ccc; */
margin:0 auto;
}
.left{
250px;
height:500px;
background:green;
float: left;
}
.right{
850px;
height:500px;
background-color:blue;
float: right;
}
.sub-left{
600px;
height: 500px;
background-color: black;
float: left;
}
.sub-right{
250px;
height: 500px;
background-color:purple;
float: right;
}