#menumain{
   margin:0;
   white-space:nowrap;
   overflow:hidden;
   width:100%;
   color:#fff;
}

#menumain .menumain{
   float:left;
   width:120px;
   height:56px;
   color:#fff;
   line-height:56px;
   text-align:center;
}


#menumain .menumain a:link {
   font-size:15px;
   width:120px;
   height:56px;
   font-family:Microsoft YaHei;
   color: #fff; 
   display:block;
   text-decoration: none;
   line-height:56px;
}

#menumain .menumain a:visited {
   color: #fff; 
   display:block;
   text-decoration: none;
   line-height:56px;
}

#menumain .menumain a:hover {
   color: #000;
   font-weight:bold;
   text-decoration: none;
   line-height:56px;
   background:url(menu_bg.png) 0px 10px no-repeat;
}