| <!DOCTYPE html> |
| <!-- |
| This is a test reference file. |
| This test verifies that if a region appears before a sibling element in DOM order, the region's |
| content paints below the sibling. |
| This test passes if there is no red visible. |
| --> |
| <html> |
| <head> |
| <style> |
| #region { |
| position: relative; z-index: 1; /* regions create Stacking Contexts */ |
| background-color: gray; |
| width: 100px; |
| height: 100px; |
| } |
| #sibling-of-region { |
| position: relative; z-index: 1; /* create Stacking Contexts */ |
| background-color: green; |
| width: 100px; |
| height: 100px; |
| margin-top: -90px; |
| margin-left: 10px; |
| } |
| </style> |
| </head> |
| <body> |
| <div id="region"></div> |
| <div id="sibling-of-region"></div> |
| </body> |
| </html> |
