vertical-scroll {
	position: relative;
	display: block;
	height: 100%;
}

vertical-scroll .arrow {
	position: absolute;
	width: 100%;
	height: 50px;
	overflow: hidden;
	z-index: 1;
}

vertical-scroll .arrow.hidden {
	display: none;
}

vertical-scroll .arrow.up {
	top: 0;
}

vertical-scroll .arrow.down {
	bottom: 0;
}

vertical-scroll .arrow .icon {
	position: absolute;
	
	top: 50%;
	left: 50%;
	
	width: 57px;
	height: 28px;
	
	-webkit-transform: translate(-50%, -50%);
	transform: translate(-50%, -50%);
	
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center center;
	
	margin: auto;
}

vertical-scroll .arrow.up .icon {
	background-image: url(/images/upArrowDark.png);
}

vertical-scroll .arrow.down .icon {
	background-image: url(/images/downArrowDark.png);
}