body {
	background-image: url("wow.gif");
	background-repeat: repeat-y;
	background-size: 100% 100%;
}

#wutface {
	background-image: url("wutface.png");
	background-repeat:no-repeat;
	background-size: 100% 100%;
	mix-blend-mode: exclusion;	
	border: 1px solid black;
	width: 200px;
	height: 200px;
	display:block;
	position:absolute;
}