:root {
	--bg: #ffffff;
	--fg: #171a1f;
	--link: #004cb8;
	--active: #006aff;
	--pre: #e9ecef;
}

body {
	font-family: sans-serif;
	background-color: var(--bg);
	color: var(--fg);
	padding: 2rem 1.25rem;
	line-height: 1.5;
	max-width: 600px;
	margin: 0;
}

header {
	margin-bottom: 1rem;
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
}

header h1 {
	font-size: 1.2rem;
	margin-top: 0;
	margin-bottom: 0;
	margin-right: 1rem;
}

a {
	color: var(--link);
	position: relative;
}

a:hover {
	color: var(--active);
}

main h1 {
	font-size: 1.6rem;
	margin: 0;
}

h2 {
	font-size: 1.35rem;
}

h3 {
	font-size: 1.1rem;
}

ul {
	padding: 0;
	list-style: None;
}

pre {
	display: block;
	padding: .25rem;
	margin: .25rem 0;
	overflow-x: auto;
	font-size: 1.2em;
	background-color: var(--pre);
}

footer {
	margin-top: 2rem;
}

@media (prefers-color-scheme: dark) {
	:root {
		--bg: #222222;
		--fg: #efefef;
		--link: #aaaaaa;
		--active: #dddddd;
		--pre: #555555;
	}
}