.opmenu {
  background: transparent url(menu-block.jpg) repeat scroll 0% 50%;
  display: block;
  height: 47px;
  line-height: 32px;
   font-size:0.75em;
  font-family: arial,helvetica,sans-serif;
  color: #ffffff;
  text-decoration: none;
  text-align: center;
  padding-right: 3px;
  padding-left: 3px;
}
.opmenu:hover {
  background: transparent url(menu-block-h.jpg) repeat scroll 0% 50%;
  display: block;
  height: 47px;
  line-height: 32px;
   font-size:0.75em;
  font-family: arial,helvetica,sans-serif;
  color: #ffffff;
  text-decoration: none;
  text-align: center;
}