body {
	margin: 0;
	font-family: Arial;
	background: #111;
	color: #fff
}

h1 {
	text-align: center
}

#gallery {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
	gap: 12px;
	padding: 12px
}

img,
video {
	width: 100%;
	height: 220px;
	object-fit: cover;
	border-radius: 8px;
	cursor: pointer
}

#viewer {
	position: fixed;
	inset: 0;
	background: rgba(0, 0, 0, .95);
	display: flex;
	align-items: center;
	justify-content: center
}

#viewer.hidden {
	display: none
}

#content {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	height: 100%;
	position: relative
}

#vimg,
#vvid {
	max-width: 95%;
	max-height: 95%;
	height: auto;
	object-fit: contain
}

button {
	position: absolute;
	z-index: 2;
	font-size: 2rem;
	background: #0008;
	color: #fff;
	border: 0;
	padding: .4em .6em;
	cursor: pointer
}

#close {
	top: 20px;
	right: 20px
}

#prev {
	left: 20px;
	top: 50%
}

#next {
	right: 20px;
	top: 50%
}

#dl {
	position: absolute;
	bottom: 20px;
	right: 20px;
	background: #0a84ff;
	color: #fff;
	padding: 10px 14px;
	text-decoration: none;
	border-radius: 6px
}