#main-content {
	width: 100%;
	display: flex;
	flex-direction: column;
	justify-content: center;
}

.centertable {
	display: flex;
	flex-direction: row;
	justify-content: center;
}

.centertable * {
	flex-basis: 0;
}

table th,td {
	padding: 1em;
}

td img {
	max-width: 10em;
}