:root {
	color-scheme: dark light;
	--body-max-width: 40rem;
}
*, ::before, ::after { box-sizing: border-box; }
body > * {
	margin-inline: max(.5rem, calc(50% - var(--body-max-width) / 2));
	font-family: Tahoma, Verdana, Arial, sans-serif;
}
h1{
	text-align: center;
	text-wrap: balanc;
}
.note{
	font-size: .9rem;
	font-style: italic;
}
.example{
	--body-max-width: 80rem;
	height: 20rem;
}