| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>Tests painting of a layer with opacity into shared backing</title> |
| <style> |
| .clipping { |
| position: absolute; |
| z-index: 0; |
| top: 20px; |
| left: 20px; |
| overflow: hidden; |
| height: 300px; |
| width: 300px; |
| margin: 10px; |
| border: 1px solid black; |
| } |
| |
| .box { |
| position: relative; |
| top: 50px; |
| left: 50px; |
| width: 180px; |
| height: 180px; |
| background-color: green; |
| } |
| |
| .opacity { |
| opacity: 0.5; |
| } |
| |
| .composited { |
| transform: translateZ(0); |
| } |
| |
| .trigger { |
| width: 50px; |
| height: 50px; |
| background-color: silver; |
| } |
| |
| </style> |
| </head> |
| <body> |
| <div class="composited trigger"></div> |
| <div class="clipping"> |
| <div class="sharing opacity box"> |
| <div class="opacity box"></div> |
| </div> |
| </div> |
| </body> |
| </html> |
