css div 三列自适应等高且中列宽度自适应

css教程">
a{ color:#30C;}
.wrap{overflow:hidden;}
.left{float:left; background:#FC9;}
.right{float:right;background:#FC9;}
.center{ background:#FC0;_float:left;/* ie6 hack*/  overflow:hidden;}
.row{margin-bottom:-10000px;padding-bottom:10000px;}

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