Leaflet Map Panes

A new feature in the Leaflet mapping platform is custom map panes, which allow you to customize the order of map features such as: the base map, map labels, markers and pop-ups. The Leaflet documentation has a great introduction into What Are Map Panes? and includes a demo map showing how you can use z-index to order your map panes. The demo map shows you how to ensure map labels appear on top