.tooltip{
	cursor: help;
	position: relative;
	color: #00CC00;
	}

.tooltip span[rel=tooltip] {
	display: none;
}

.tooltip:hover span[rel=tooltip]{
	display: block;
	position: absolute;
	bottom: 1em;
	left: -6em;
	width: 15em;
	padding: 0.5em;
	z-index: 100;
	color: #000;
	background-color: #ffffff;
	border: solid 1px #000000;
	border-radius: 0.2em;
}