.tip
{
	font:12px;
	font-family:Arial, Helvetica, sans-serif;
	color:#fff;
	text-align:left;
	padding:10px;
	width:270px;
	position:absolute;
	z-index:100;
	visibility:hidden;
	top:20px;
	left:90px;
	background-color:#90A7D0;
	filter:alpha(opacity=90);
	-moz-opacity:0.9;
	-khtml-opacity: 0.9;
	opacity: 0.9;
	
}