| <!DOCTYPE html> |
| |
| <!-- |
| The perspective origin should be centered in the container's border box, |
| regardless of the presence of scrollbars. |
| --> |
| |
| <style> |
| .container { |
| background-color: green; |
| border: 10px solid black; |
| overflow: hidden; |
| position: relative; |
| width: 100px; |
| height: 100px; |
| margin: 10px 0; |
| perspective: 500px; |
| } |
| .scroller { |
| position: absolute; |
| left: 0; |
| top: 0; |
| right: 0; |
| bottom: 0; |
| overflow: scroll; |
| } |
| .transformed { |
| background-color: blue; |
| width: 50px; |
| height: 50px; |
| transform: translateZ(-1000px); |
| } |
| </style> |
| |
| <div class="container"> |
| <div class="transformed"></div> |
| <div class="scroller"></div> |
| </div> |
| |
| <!-- This blue box should be smaller because it should be obscured by the border. --> |
| <div class="container" style="perspective-origin: 0 0"> |
| <div class="transformed"></div> |
| <div class="scroller"></div> |
| </div> |
| |
| <div class="container" style="perspective-origin: 60% 40px"> |
| <div class="transformed"></div> |
| <div class="scroller"></div> |
| </div> |
