.pic
{
	width: 200px;
	margin: 5px;
	cursor: zoom-in;
}

.overlay
{
	position: fixed;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, .7);
	top: 0;
	left: 0;
	display: none;
	text-align: center;
	overflow-y: auto;
	z-index: 100;
}

.overlay img
{
	max-width: 65%;
	max-height: 95%;
	position: relative;
}