<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<title>netctoss</title>
<meta http-equiv = "content-type" content="text/html;charset=utf-8"/><!--设置编码集 同时注意设置的编码集方式要和保存时方式相同 save as -->
<!--引用外部样式表-->
<link type="text/css" rel="stylesheet" href="demo.css"/>
<style>
</style>
</head>
<body>
<div id="header"></div>
<div id="navi"></div>
<div id="main" >
<div id="opera"></div>
<div id="data" ></div>
<div id="pages"></div>
</div>
<div id="footer"></div>
</body>
</html>
body{
margin:0px;padding:0px;
}
div{
border:1.8px solid black;/*像素可以是小数*/
margin:0px auto;
}
#header,#footer{width:960px;}
#header{
height:61px;
}
#navi{
width:100%;
height:91px;
}
#main{
width:950px;
height:410px;
border:5px solid #8ac1db;
}
#footer{
height:50px;
}
#data,#opera,#pages{width:910px;}
#data{height:340px;}
#opera{height:30px;}
#pages{height:28px;}