<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>div+css页面布局练习</title><!--<link rel="stylesheet" href="index1.css" type="text/css" />--><style type="text/css">*{margin:0px; padding:0px;}#top,#nav,#mid,#footer{ width:500px; margin:0PX auto;}#top{height:80px; background-color:#F0F;}#nav{height:25px; background-color:#0FF;}#mid{height:300px;}#left{width:98px; height:298px; border:1px solid #FF0; background-color:#00F; float:left;}#right{ height:298px; background-color:#900;}.content{width:98px; height:148px; background-color:#030; border:1px solid #300; float:left;}#content2{background-color:#30F;}#footer{height:80px; background-color:#669;}</style></head><body><div id="top">顶部广告区</div><div id="nav">导航区</div><div id="mid"><div id="left">纵向导航区</div><div id="right"><div class="content">内容a</div><div class="content" id="content2">内容b</div><div class="content">内容c</div><div class="content" id="content2">内容d</div><div class="content" id="content2">内容e</div><div class="content">内容f</div><div class="content" id="content2">内容g</div><div class="content">内容h</div></div></div><div id="footer">底部版权区</div></body></html>