.tooltip{
width: 151px;
color:#fff;
font:lighter 10px/1.3 Arial,sans-serif;
text-decoration:none;
text-align:left;}

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

.tooltip b.bottom{padding:3px 8px 15px;color: #548912;
    background: url(../img/bt.gif) no-repeat bottom;
}
	
a.none{

}