<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>固定浮动布局-三列</title>
<link rel="stylesheet" style="text/css" href="style2.css">
</head>
<body>
<div id="header"><h1>上标题</h1></div>
<div id="body">
<div id="navl">左导航</div>
<div id="main">中内容</div>
<div id="navr">右导航</div>
</div>
<div id="footer"><p>下版权</p></div>
</body>
</html>
/* CSS Document */ *{ margin:0; padding:0; } body{ margin:10px; } #header{ border:1px solid black; width:600px; height:60px; margin:0 auto; margin-bottom:10px; } #header h1{ height:60px; line-height:60px; font-size:16px; text-align:center; } #body{ width:600px; margin:0 auto; } #navl{ border:1px solid black; width:150px; height:500px; float:left; margin-bottom:10px; background:lightcyan; } #main{ border:1px solid black; width:294px;/*边框也算一个像素*/ height:500px; float:left; margin-bottom:10px; background:lightblue; } #navr{ border:1px solid black; width:150px; height:500px; float:right; margin-bottom:10px; background:lightyellow; } #footer{ border:1px solid black; width:600px; height:60px; line-height:60px; margin:0 auto; text-align:center; clear:both; }
效果如下: