src/third_party/WebKit/LayoutTests/transforms/3d/general/background-visibility-layers.html

   1 <!DOCTYPE html>
   2 <style>div { width: 100px; height: 100px } </style>
   3 <div style="transform: rotateX(180deg); -webkit-transform-style: preserve-3d; background: green">
   4   <div style="-webkit-backface-visibility: hidden; background: red;"></div>
   5 </div>