.tooltip{
width: 284px; color:#FFFFFF; height:69px; font-weight:bold; font-size:12px;
font:lighter 12px/1.3 Arial,sans-serif; font-weight:bold;
text-decoration:none;text-align:center}

.tooltip span.top{padding: 30px 8px 0;
    background: url(bt.gif) no-repeat top}

.tooltip b.bottom{padding:3px 8px 19px;color: #ffffff;
    background: url(bt.gif) no-repeat bottom}