.button {
  width: 105px;
  height: 20px;
  background-image: url('tiny.gif');
  line-height: 20px;
  padding-bottom: 2px;
  vertical-align: middle;
  font-family: "Lucida Grande", Geneva, Verdana, Arial, Helvetica, sans-serif;
  font-size: 13px;
  <!--font-weight: bold;
  -->text-transform: none;
  border: 1px solid transparent;
}

.button:hover {
  background-image: url('tiny_.gif');
}