<div class="page">
<div class="header">
<div ></div>
</div>
css
.header{border-bottom:1px solid #ccc;margin-bottom:5px;}
.MainContainer{min-width: 960px;max-width: 1600px;}
.sidebar{width:180px;float:left;margin-right: -175px;border-right:1px solid #ccc;min-height:500px;padding:5px;}
.main{float:left;margin-left: 180px;padding:5px;}