.tooltip{
width: 200px; color:#000;
font:lighter 11px/1.3 Arial,sans-serif;
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 15px;
	color: #548912;
	background: url(bt.gif) no-repeat 50% bottom;
}