.tooltip{
width: 100px; color:#000000;
font:lighter 16px Arial,sans-serif;
text-decoration:none;text-align:center}

.tooltip span.top{padding: 10px 0px 10px 0px;
    background: url(/includes/scripts/tooltips/bt.gif) no-repeat top}

.tooltip b.bottom{padding:3px 50px 5px;color: #548912;