.rollover a {
display:block;
width: 90px;
padding:0px 0px;
font: bold 13px sans-serif;;
color:#999999;
background: 0 url((URL)) no-repeat;
text-decoration: none;
; height: 15px
}
.rollover a:hover { 
background-position: 0 -35px;
color: #FFFFFF;
}
.rollover a:active {
background-position: 0 -70px;
color:#FFFFFF;
}