| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| |
| .box { position: relative; contain: strict; } |
| #scopeA { background: #ccc; |
| left: 0; top: 0; width: 300px; height: 300px; } |
| #partA { background: #4af; |
| left: 30px; top: 30px; width: 240px; height: 240px; } |
| #scopeB { background: #eee; |
| left: 30px; top: 30px; width: 180px; height: 180px; } |
| #partB { background: cyan; |
| left: 30px; top: 30px; width: 120px; height: 120px; } |
| |
| </style> |
| </head> |
| <body> |
| <div id=scopeA class=box> |
| <div id=partA class=box> |
| <div id=scopeB class=box> |
| <div id=partB class=box> |
| </div> |
| </div> |
| </div> |
| </div> |
| </body> |
| </html> |
