| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <style> | |
| #W { | |
| top: 0; | |
| left: 0; | |
| width: 200px; | |
| height: 240px; | |
| position: absolute; | |
| background-color: rgba(255, 0, 0, 0.2); | |
| } | |
| iframe { | |
| backface-visibility: hidden; /* force compositing */ | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <iframe id="I" width="200" height="240" src="/cross-site/baz.com/title1.html" frameborder="0" allowfullscreen=""></iframe> | |
| <div id="W"></div> | |
| </body> | |
| </html> |