div+css三栏样式

.three{ width:980px; margin:0 auto; overflow:hidden; height:100px; margin-top:5px;}
.three .three_left{width:282px; border:1px solid #E6E6E6; float:left;height:100px; margin-top:5px;}
.three .three_center{ width:394px; border:1px solid #E6E6E6; margin:0px 10px; margin-top:5px; float:left;height:100px;}
.three .three_right{width:278px; border:1px solid #E6E6E6; float:left;height:100px;  margin-top:5px;}

<div class="three">
	<div class="three_left"></div>
    <div class="three_center"></div>
    <div class="three_right"></div>
</div>