body{margin:0px;padding:0px;background-color:#CCCCCC;}
#part{position:relative;width:900px;background-color:#FFFFFF;margin:0px auto;text-align:left;}
#head{width:900px;height:100px;background-color:#FFFFFF;}
#left{width:150px;float:left;background-color:#FFFFFF;}
#right{width:750px;float:right;background-color:#FFFFFF;}
#bottom{position:relative;width:100%;height:30px;background-color:#FFFFFF;;text-align:right;clear:both;}