#gallery {
	width: 1024px;
	margin: auto;
}

ul {
	margin: 0;
}

ul:hover li {
	-webkit-transition: all .2s ease-in-out;
	-moz-transition: all .2s ease-in-out;
	-o-transition: all .2s ease-in-out;
	-ms-transition: all .2s ease-in-out;
	transition: all .2s ease-in-out;
	opacity: .5;
}

ul:hover li:hover {
	opacity: 1;
}

li {
	position: relative;
	float: left;
	list-style: none;
	line-height: 0;
	padding:5px;
	padding-bottom: 0px;
}

img {
	width: 180px;
	height: auto;
	cursor: zoom-in;
}
img-x {
	width: 80px;
	height: auto;
	cursor: zoom-in;
}

.overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	display: none;
	background: rgba(255,255,255,.8);
	z-index: 5;
}

input[type=checkbox] {
     display: none;
}


input[type=checkbox]:checked ~ label img {
	position: fixed;
	width: auto;
	height: 576px;
	text-align:center;
	top: 50%;
	left: 50%;
	margin-top: -280px;
	margin-left: -512px;
	box-shadow: 0 0 20px #888;
	z-index: 6;
	cursor: zoom-out;

}

input[type=checkbox]:checked ~ .overlay {
	display: block;
}