.tooltip{
width: 300px; color:#000;
font:bold 15px/1.3 Arial,sans-serif;
text-decoration:none;text-align:left}

.tooltip span.top{
	padding: 30px 8px 0;
	background-image: url(../img/bt300.gif);
	background-repeat: no-repeat;
	background-position: top;
}

.tooltip b.bottom{padding:3px 8px 15px;color: #548912;
    background: url(../img/bt300.gif) no-repeat bottom}