#cataRankBody #mNav li {
      padding: 2px 12px 0px 2px;
   }
.bt{
   background:url(/zhongwen/zwph.gif)  no-repeat;
   height: 42px;
   font-size:22px;
   font-weight:bold;
   line-height:42px;
   border-bottom: 2px solid #0092D2;
   width: 930px;
   position: relative;
   margin:0  0 10px 5px;
   color:#fff;
   padding-left:60px;
}