html：
<!doctype html> <html> <head> <meta charset="utf-8"> <title>无标题文档</title> <link href="123.css" rel="stylesheet" type="text/css"> </head> <body> <div id="Container"> <div id="Header"> <div id="Logo">55555555555555555</div> </div> <div id="Content"> <div id="LeftContent"> <dl> <dt><a href="#xw">新闻</a><a href="#YL">娱乐</a><a href="#TY">体育</a></dt> <dd> <ul id="xw"> <li>新闻1</li> <li>新闻2</li> <li>新闻3</li> <li>新闻4</li> <li>新闻5</li> </ul> <ul id="YL"> <li>娱乐1</li> <li>娱乐2</li> <li>娱乐3</li> <li>娱乐4</li> <li>娱乐5</li> <li>娱乐6</li> </ul> <ul id="TY"> <li>体育1</li> <li>体育2</li> </ul> </dd> </dl> </div> <div id="MainContent"> 主内容 </div> </div> <div class="clear"></div> <div id="Footer">页脚</div> </div> </body> </html>
CSS:
@charset "utf-8"; /* CSS Document */ #Container { 1000px; margion: 0 auto; height: 1000px } #Header { height: 100Px; background: green; } #Logo { padding-left: 50px; padding-bottom: 20px; padding-top: 10px; } #Content { margin: 5, 5, 5, 5; height: 600px; } #LeftContent { 300px; height: 800px; float: left; margion: 20px; background: red; } #MainContent { 700px; height: 800px; float: left; margion: 20px; background: #0C78DD; } .clear { clear: both; } #Footer { height: 100px; background: #0AF333; } dl { position: absolute;/*绝对的*/ 200px; height: 200px; border: 10px solid #E9F5E9; } dd { 200px; height: 200px; overflow: hidden; } dt { position: absolute; right: 1px; } ul { margion: 0; padding: 0; 220px; height: 200px; list-style: none; border: 1px solid black } li { 207px; height: 27px; overflow: hidden; } dt a { display:block; /*margin: 1px;*/ 30px; height: 56px; text-align: center; font: 700 12px/55px "宋体",sans-serif; color: #fff; text-decoration: none; background: #666; /*display:block; margin:1px; 30px; height:56px; text-align:center; font:700 12px/55px "宋体",sans-serif; color:#fff; text-decoration:none; background:#666;*/ } dt a:hover{ background:green;}