* {
	box-sizing: border-box;
}
html {
	color-scheme: light dark;
	text-align: center;
}
body {
	font-family: sans-serif;
	margin: 1em;
	display: inline-block;
	text-align: left;
}
h1 {
	margin-top: 0;
}
address {
	min-width: 100%;
	width: 10em;
}

@media (min-width: 20em) and (max-width: 22em) {
	html {
		font-size: 90%;
} }
@media (max-width: 20em) {
	html {
		font-size: 80%;
} }