Hi Robert, just a heads up about your Live Preview site. It's showing an error:
Unable to load the base map layer (Unable to load https://services.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer?f=json status: 0 [url:http://services.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer])