css制作有立体效果的表格

<style>.aa {margin:100px}ul {width:80px; float:left; margin:0px}.aa li a{border:1px #E5E5E5 solid; background-color:#EAEAEA; width:120px; height:30px; list-style:none; margin:0px;float: left; border-top-color:#FFFFFF; border-left-color:#FFFF