| <!DOCTYPE html> | |
| <style> | |
| .fixed { | |
| position: fixed; | |
| } | |
| .sticky { | |
| position: sticky; | |
| top: 0; | |
| } | |
| .composited { | |
| /* Force compositing without creating a stacking context */ | |
| backface-visibility: hidden; | |
| } | |
| .spacer { | |
| height: 2000px; | |
| } | |
| .container { | |
| width: 500px; | |
| height: 500px; | |
| overflow: scroll; | |
| } | |
| </style> | |
| <div class="composited fixed"> | |
| Ref text. | |
| <div class="composited container"> | |
| <div class="sticky"> | |
| This line should line up with the text above. | |
| </div> | |
| <div class="spacer"></div> | |
| </div> | |
| </div> | |