| <!DOCTYPE html> <!-- webkit-test-runner [ internal:AsyncOverflowScrollingEnabled=true ] --> |
| <html> |
| <head> |
| <style> |
| .box { |
| position: absolute; |
| height: 200px; |
| width: 200px; |
| background-color: blue; |
| } |
| |
| .scroller { |
| margin: 60px; |
| overflow: scroll; |
| border: 1px solid black; |
| width: 220px; |
| height: 220px; |
| -webkit-overflow-scrolling: touch; |
| will-change: z-index; |
| } |
| |
| .scrolled-contents { |
| height: 1000px; |
| } |
| |
| .outside { |
| z-index: 1; |
| top: 20px; |
| left: 20px; |
| background-color: green; |
| } |
| |
| .back { |
| z-index: 0; |
| } |
| |
| .front { |
| z-index: 2; |
| top: 120px; |
| left: 120px; |
| background-color: orange; |
| } |
| </style> |
| </head> |
| <body> |
| <div class="outside box"></div> |
| <div class="scroller"> |
| <div class="scrolled-contents"> |
| <div class="back box"></div> |
| <div class="front box"></div> |
| </div> |
| </div> |
| </body> |
| </html> |