#mainContainer {
	position: absolute;
	top: 0;
	right: 0;
	height: 100%;
	width: 100%;
	display: flex;
	flex-direction: column;
}

#navigationContainer {
	flex: auto;
	overflow: auto;
	border-top: 2px solid #ccc;
	border-bottom: 2px solid #ccc;
}

#navItems {
	list-style-type: none;
}