body {
	background-color: #ccc;
	color:#111;
	padding: 0.75em;
}
main {
	margin: 1em auto;
	padding: 0.75em;
	background-color: #eee;
	border-radius:1em;
	max-width: 480px;
}
p {
	padding-left: 1em;
	text-indent: -1em;
}
p:first-of-type { margin-top: 0; }
p:last-of-type { margin-bottom: 0; }
.red   { color: #700; }
.green { color: #070; }

@media (prefers-color-scheme: dark) {
	body {
		background-color: #333333;
		color: #ddd;
	}
	main {
		background-color: #111; 
	}
}