| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| body { |
| margin: 0; |
| } |
| iframe { |
| border: 20px solid blue; |
| padding: 12px; |
| height: 400px; |
| width: 500px; |
| margin: 20px; |
| background-color: orange; |
| outline: 12px solid rgba(0, 0, 0, 0.25); |
| } |
| .scrollbar-obscurer { |
| position: absolute; |
| height: 400px; |
| width: 18px; |
| top: 52px; |
| left: 534px; |
| background-color: gray; |
| } |
| </style> |
| <script> |
| if (window.internals) |
| internals.settings.setAsyncFrameScrollingEnabled(true); |
| </script> |
| </head> |
| <body> |
| <iframe srcdoc=" |
| <style> |
| body { |
| height: 1000px; |
| background-color: silver; |
| margin: 10px; |
| } |
| .box { |
| width: 200px; |
| height: 200px; |
| background-color: green; |
| } |
| |
| </style> |
| <body> |
| <div class=box></div> |
| </body> |
| "></iframe> |
| <div class="scrollbar-obscurer"></div> |
| </body> |
| </html> |
