#overlay {
	display: none;
	
	position: fixed;
	width: 50%;
	height: 70%;
	left: 25%;
	top: 15%;
	
	z-index: 10;
	
	padding: 0.5em;
	
	background-color: rgba(180, 180, 180, 0.9);
	border: 1px solid black;
	border-radius: 5px;
	box-shadow: 2px 5px 0 rgba(0,0,0,0.2);
}