<style type="text/css">
.max{ width:800px; height:auto;}
.top{ width:800px; height:120px; border:1px solid red; background:#6CC}
.center{ width:800px; height:355px; border:1px solid #393; margin-top:10px;}
.center-top{ width:800px; height:175px; }
.center-bottom{ width:800px; height:160px; margin-top:10px;}
.center-left{ float:left; width:380px; height:155px; border:1px solid red; margin-left:10px; margin-right:10px; margin-bottom:5px;}
.center-right{ float:right; width:380px; height:155px; border:1px solid red; margin-right:10px; margin-bottom:5px;}
.center-left-top{ height:25px; width:380; background:#999;}
.center-right-top{ height:25px; width:380; background:#6CC;}
.bottom{ background:#CCC; width:803px; height:100px; margin-top:5px;}
.bottom-center{ width:600px; height:80px; margin-top:8px; margin-bottom:8px; text-align:center;}
</style>
<body>
<div class="max">
<div class="top"></div>
<div class="center">
<div class="center-top"></div>
<div class="center-bottom">
<div class="center-left">
<div class="center-left-top">魅力华夏
</div>
<div class="center-left-bottom"></div>
</div>
<div class="center-right">
<div class="center-right-top">人文地理
</div>
<div class="center-right-bottom"></div>
</div>
</div>
</div>
<div class="bottom">
<div class="bottom-center">内容</div>
</div>
</div>
</body>
<style>
#body{width:900px; height:600px; background-color:#fff;}
#banner{width:850px; height:100px; background-color:#ddd; }
#main{width:850px; height:400px; border:1px blue solid; margin-top:10px; }
#neirong{width:800px; height:200px; background-color:#fff; margin-top:8px;}
#neirong_1{width:390px; height:170px; margin-top:8px; float:left; margin-left:25px; border:1px green solid;}
#neirong_2{width:390px; height:170px; margin-top:8px;float:right; margin-right:25px; border:1px green solid;}
#footer{width:850px; height:100px; background-color:#ddd; margin-top:10px;}
</style>
<center>
<body>
<div id="body">
<div id="banner"></div>
<div id="main"><div id="neirong">国家旅游局警示:禁收老年游附加费</div>
<div id="neirong_1">魅力华夏</div><div id="neirong_2">魅力华夏</div></div>
<div id="footer"></div>
</div>
</body>
</center>
我给你做出来了一个布局,你可以看一看