.pptooltip {
	background-color: transparent;
	color: #fff;
}

.pptooltip span.ppttext {
	display: none;
}

div#pptooltip {
	display: inline-block;
	position: absolute;
	max-width: 190px;
	opacity: 0.75;
	padding: 6px 9px;
	font: normal bold 12px/1.1em Arial, sans-serif;
	color: #fff;
	background-color: #000;
	-moz-border-radius: 10px;
	-webkit-border-radius: 10px;
	z-index: 900;
}
div#pptooltip > div.spike {
	position: absolute;
	width: 100%;
	height: 9px;
	background: url(data:image/gif;base64,AAAA) no-repeat;
}
div#pptooltip > div.spike.top {
	top: -8px;
	background: url(pptooltip_spike_top.png) no-repeat top;
}
div#pptooltip > div.spike.bottom {
	bottom: -8px;
	background: url(pptooltip_spike_bottom.png) no-repeat bottom;
}