:root {
	--fg: #ccc;
	--bg: #111;
	--a: #07a;
	--a-visited: #aa346d;
}

@media (prefers-color-scheme: dark) {
	img, video {
		opacity: .75;
		transition: opacity .5s ease-in-out;
	}
	img:hover, video:hover {
		opacity: 1;
	}
}