摘要:
/* * 两端固定,中间自适应!!为圣杯 */<style type="text/css">.site{height:500px;padding:0 50px;}.middle{float:left;width:100%;height:100%;background:#CCC;}.left{float:left;width:50px;height:100%;background:#CCF;margin-left:-100%;position:relative;left:-50px;_left:50px;}.right{float:left;width:50px; 阅读全文