makes tiles hidden by default to avoid instances of DOM overload for certain browsers

Author: btburton42

demo/tiler_demo.js

@@ -22,10 +22,12 @@
     perspective: 1000;
     position: absolute;
     overflow: hidden;
-    display: block;
+    display: none;
     z-index: -1;
     width: 100%; }
     .tiler-viewport .tiler-tile.active {
-      z-index: 2; }
+      z-index: 2;
+      display: block; }
     .tiler-viewport .tiler-tile.previous {
-      z-index: 1; }
+      z-index: 1;
+      display: block; }

lib/tiler.css

@@ -28,11 +28,13 @@
     +gpu
     position: absolute
     overflow: hidden
-    display: block
+    display: none
     z-index: -1
     width: 100%
 
     &.active
       z-index: 2
+      display: block
     &.previous
       z-index: 1
+      display: block