.tooltip{
width: 180px; min-height: 50px; height: auto !important; height: 50px; color:#4d7352;
font:lighter 11px/1.3 Arial,sans-serif;
text-decoration:none;text-align:center;
z-index: 10;}

.tooltip span.top{padding: 10px 10px 0 10px;
    background: url(bt.gif) no-repeat top;
	filter: alpha(opacity=80);
	-moz-opacity: 0.8;}

.tooltip b.bottom{padding:10px 2px 2px 2px;color: #548912;
    background: url(bt.gif) no-repeat bottom}