.wh960{width:960px;}
.wh600{width:601px;}
.wh390{width:390px;}
.wh285{width:286px;}
.wh155{width:155px;}
.wh145{width:145px;}
.wh120{width:120px;}

.topbg {background: url(http://www.biankan.cn/images/tbg.gif); height:45px;}
.topbg ul {width:960px;margin: 0 auto;}
.topbg li { float:left; font-size:16px; margin-left:18px; margin-right:18px; line-height:45px; color:#FFF;}
.topbg li a {color:#FFF;}