body{ text-align:center; margin:0 auto;}
#page {text-align:center;margin:0 auto;width:98%; font: normal 12px/24px Arial; background:white;}
#web_name{ font:bold 24px/24px arial; text-align:center; margin:20px; }
#nav{width:20%;float:left;border:1px solid #dddddd;clear:right;overflow:hidden;}
#boxs{ float:left;overflow:hidden;width:75%; text-align:left;}
.box{ float:left;overflow:hidden;width:45%; text-align:left; border:1px solid #dddddd; margin:1%;}
.box ul{ font: bold 14px/14px arial; text-align:left; border-bottom:1px solid #dddddd; margin:4px; cursor:move;}
.box li{ margin-left:4%;}
.box li .content{display:none;}
#footer{ clear:both;text-align:center; border-top:1px solid #dddddd;}