:root {
	color-scheme: light dark;
}
body {
	font-family: sans-serif;
	max-width: 45em;
	margin: auto 0.5em;
}
@supports (color-scheme: dark light) {
	@media screen and (prefers-color-scheme: dark) {
		a:link { color: #9e9eff; }
		a:visited { color: #d0adf0; }
		a:active { color: red; }
	}
}