#tab ul {
   list-style-type:none;
}
#tab li {
   float:left;
}
#tab a {
   border-left:1px solid #2f2f2f;
   color:#ccc;
   font-size:11px;
   height:42px;
   line-height:42px;
   padding:0 12px;
   text-decoration:none;
   text-transform:uppercase;
}
#tab a:hover {
   color:#fff;
   background:url(images/bk_top_hover.png) 50% 0 no-repeat;
}