Esri/esri-leaflet — pull request #236 by mattsayler (2014-04-28 21:53:34+00:00)
Title: Added z-index to map element and demo controls

Adding z-index values in demo.css for the map element and demo controls seems to fix an issue in IE 9 where the demo controls disappear after the map tiles load. Tested in IE 9 and Chrome.