.btooltip{width:200px;color:#000;font:lighter 11px/1.3 Arial,sans-serif;text-decoration:none;text-align:center;}.btooltip span.top{padding:30px 8px 0;background:url('/images/bt.gif') no-repeat top;}.btooltip b.bottom{padding:3px 8px 15px;color:#548912;background:url('/images/bt.gif') no-repeat bottom;}