.tooltip{
width: 280px; color:#000;
font:lighter 10px/1.1 Arial,sans-serif; border:0px solid black;
text-decoration:none;text-align:center;}

.tooltip span.top{padding: 15px 8px 0;
    background: url(../images/tooltip.gif) no-repeat top;
	}

.tooltip b.bottom{padding:3px 8px 15px;color: #548912;
    background: url(../images/tooltip.gif) no-repeat bottom;
	}
	.tooltip span.left{
	padding-left: 15px 0px 0;
	}