I applaud the makers of this demo for adding a gif-based fallback on the error page for those of us who have no WebGL support. It shows: "Your browser does not

I applaud the makers of this demo for adding a gif-based fallback on the error page for those of us who have no WebGL support. It shows: "Your browser does not support this demo. Here is what you are missing:" [https://www.mapbox.com/pointcloud/matterhorn/css/error.gif https://www.mapbox.com/pointcloud/matterhorn/css/error.gif]