.douga_btn{
   display:block;
   width:150px;
   height:36px;
   }

#push{
   width:150px;
   background-image:url("../../../topics/meta/btn.gif");
   background-position: 0 0;
   }

a:hover#push{
   background-image:url("../../../topics/meta/btn.gif");
   background-position: 0 -36px;
   }

#push2{
   width:150px;
   background-image:url("../../../topics/meta/btn.gif");
   background-position: 0 0;
   }

a:hover#push2{
   background-image:url("../../../topics/meta/btn.gif");
   background-position: 0 -36px;
   }

#push3{
   width:150px;
   background-image:url("../../../topics/meta/btn.gif");
   background-position: 0 0;
   }

a:hover#push3{
   background-image:url("../../../topics/meta/btn.gif");
   background-position: 0 -36px;
   }

#push4{
   width:150px;
   background-image:url("../../../topics/meta/btn.gif");
   background-position: 0 0;
   }

a:hover#push4{
   background-image:url("../../../topics/meta/btn.gif");
   background-position: 0 -36px;
   } 
   
.hide{
   display:none;
   }