.rollover a {
  display: block;
  width: 10em; /* dimensions needed for IE 5.x/Win */
  padding: 0.2em;
  line-height: 1.4;
  background-color: #9999FF;
  border: 1 px solid black;
  color: #000;
  text-decoration: none;
  text-align: center;
  }

.rollover a:hover {
  background-color: #708090;
  color: red;
}