.sbd {position:absolute;left:50%;margin-left:-85px;margin:20px; height:18px;width:170px}
.sbd a, .sbd a:link {display:block;background:url(footerLogo.gif) no-repeat}
.sbd a:hover {display:block;background:url(footerLogo.gif) no-repeat 0px -18px}