main {
	position: relative;
	height: 70vh;
	max-width: 100%;
}

.contents-wrapper {
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	justify-content: flex-start;
	align-items: flex-start;
	flex-wrap: wrap;
	overflow-y: scroll;
	overflow-x: hidden;
}

.item {
	position: relative;
	margin: 16px;
	padding: 0;
	width: 160px;
	height: 160px;
	border-radius: 20px;
	background-image: url(/images/loader.gif);
	background-size: cover;
	background-position: center;
	overflow: hidden;
}

.item .overlay {
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	background-color: #0000;
}

.item:hover .overlay {
	background-color: #0002;
}

.item.selected .overlay {
	background-color: #0004;
}

.thumb {
	min-width: 100%;
	min-height: 100%;
}