body{ margin:0; padding:0; font-size:30px; font-weight:bold}

div{ text-align:center; line-height:50px}

.top{ height:100px;background:#9CF}

.head,.main{ width:960px; margin:0 auto;}

.head{ height:100px; background:#F90}

.left{ width:220px; height:600px; background:#ccc; float:left;}

.right{ width:740px; height:600px;background:#FCC; float:right}

.r_sub_left{ width:540px; height:600px; background:#9C3; float:left}

.r_sub_right{ width:200px; height:600px; background:#9FC; float:right;}

.footer{ height:50px; background:#9F9; clear:both; }