header {
	margin-bottom: 2rem;
	margin-top: 10rem;
	text-align: center;
}

.warning {
	color: red;
	font-size: 2rem;
	font-weight: bold;
}

main {
	display: flex;
	flex-direction: column;
}

.centred {
	text-align: center;
	margin-bottom: 1.5rem;
}