/* the overlayed element */
div.overlay {
	/* growing background image */
	background-image: url(images/black-plain.png);
	/* dimensions after the growing animation finishes  */
	width: 650px;
	height: 510px;
	/* initially overlay is hidden */
	display: none;
	/* some padding to layout nested elements nicely  */
	padding: 55px;
}
/* default close button positioned on upper right corner */
div.overlay div.close {
	background-image: url(images/black-plain-close.png);
	background-repeat: no-repeat;
	position: absolute;
	right: 5px;
	top: 15px;
	cursor: pointer;
	height: 35px;
	width: 35px;
}
/* black */
div.overlay.black {
	background: url(images/transparent.png) no-repeat !important;
	color: #fff;
}
/* petrol */
div.overlay.petrol {
	background: url(images/petrol.png) no-repeat !important;
	color: #fff;
}
div.black h2, div.petrol h2 {
	color: #ddd;
}