section.contribute header ul
{
	display: flex;
	flex-wrap: wrap;
	list-style: none;
	margin: 0;
	padding: 0;
	justify-content: center;
}

section.contribute header li a
{
	padding: 0.5rem 1.5rem;
}

section.contribute header li a.selected
{
	pointer-events: none;
	border-bottom: 0.2rem solid;
	border-radius: 0.5rem;
}