main {
	display: flex;
	flex-direction: column;
	gap: 2em;
	max-width: 40em;
	padding: min(1em, 1vw);
	margin: 0 auto min(2em, 1vw);
	position: relative;
	z-index: 2;
}

@media (width < 16em) {
	main {
		padding: 1em 0;
	}
}

@media (width > 60em) {
	main {
		max-width: 72em;
		display: grid;
		grid-template-columns: 1fr 0.75fr;
		grid-template-areas:
			"a b";
	}

	#courses {
		grid-area: a;
	}

	#katas {
		grid-area: b;
	}
}

#courses > div {
	display: flex;
	flex-direction: column;
	gap: 1em;
}

#courses :is(h3, h4) {
	font-weight: bold;
	text-transform: uppercase;
}

#courses h3 {
	font-size: 200%;
	margin: 1em 0;
}

#courses h4 {
	font-size: 120%;
	margin: 1em 0 0.4em;
}

#overview p,
#overview details,
#katas-intro,
.kata-list {
	margin-bottom: 1em;
}

#overview ul {
	margin: 1em;
}

#overview li {
	list-style: revert;
	margin-bottom: 1em;
}