.popup {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 10;
	background: #3336;
	display: flex;
	justify-content: center;
	align-items: center;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.3s, visibility 0.3s;
}
.popup.show {
	opacity: 1;
	visibility: visible;
}

.popup > div {
	background: #fff;
	box-shadow: 0 0 2rem 0 #0005;
	box-sizing: border-box;
	position: relative;
}

.popup > div > a.close {
	position: absolute;
	top: -1rem;
	left: calc(50% - 0.5rem); /* should be -1rem, but is 0.5rem! No idea */
	padding: 0;
	text-align: center;
	width: 2rem;
	line-height: 2rem;
	height: 2rem;
	background: #fff;
	display: block;
	z-index: 10;
	cursor: pointer;
	color: inherit;
}
.popup > div > a.close::after {
	content: '✕';
}
.popup > div > a.close:hover {
	background: #eee;
}

#popup.video > div {
	background: #000;
}

.popup video {
	width: 70vw;
	height: auto;
	margin: 0;
	padding: 0;
	border: none;
	display: block;
}