<!DOCTYPE html>
<html lang="en">
<head>
???<meta charset="UTF-8">
???<title>Title</title>
???<link rel="stylesheet" href="tzy.css" type="text/css">
</head>
<body>
<div class="top">
???<div class="top_content">
???</div>
???<div class="body">
???????<div class="body_img"></div>
???????<div class="body_content">
???????????<div class="body_no"></div>
???????</div>
???????</div>
???<div class="footing">
???????<div class="footing_content"></div>
???????<div class="footing_subnav"></div>
???</div>
</div>
</body>
</html>
css文件tzy.css
* {
???margin: 0px;
???padding: 0px;
}
.top {
???width: 100%;
???height: 50px;
???
}
.top_content {
???width: 75%;
???height: 50px;
???margin: 0px auto;
???/*上下为0，左右自适应*/
???
}
.body {
???margin: 20px auto;
???width: 75%;
???height: 1500px;
???
}
.body_img {
???width: 100%;
???height: 400px;
???
???background-image: url(http://images.cnblogs.com/cnblogs_com/ttzzyy/1076163/t_8L7BYYH7PD%606Z@3F4X]2V8H.png);
}
.body_content {
???width: 100%;
???height: 1100px;
???
}
.body_no {
???width: 100%;
???height: 50px;
???
}
.footing {
???width: 75%;
???height: 400px;
???
???margin: 0px auto;
}
.footing_content{
???width: 100%;
???height: 350px;
???
}
.footing_subnav{
???width: 100%;
???height: 50px;
???
}HTML学习笔记 w3sCss盒子模型应用 第十一节 （原创）
原文地址：http://www.cnblogs.com/ttzzyy/p/7500938.html