.leaflet-verticalcenter {
	position: absolute;
	z-index: 1000;
	pointer-events: none;
	top: 50%; /* possible because the placeholder's parent is the map */
	transform: translateY(-50%); /* using the CSS3 Transform technique */
	padding-top: 10px;
}

.leaflet-verticalcenter .leaflet-control {
	margin-bottom: 10px;
}