| <!DOCTYPE html> |
| <html class="reftest-wait"> |
| <title>Child moves and reveals previously obscured background of the parent</title> |
| <link rel="match" href="child-move-reveals-parent-background-ref.html"> |
| <link rel="help" href="https://drafts.csswg.org/css-backgrounds"> |
| <script src="/common/reftest-wait.js"></script> |
| <style> |
| #parent { |
| width: 150px; |
| height: 150px; |
| background-color: green; |
| } |
| #child { |
| width: 150px; |
| height: 150px; |
| background-color: white; |
| position: relative; |
| } |
| </style> |
| <p>There should be a green square below.</p> |
| <div id="parent"> |
| <div id="child"></div> |
| </div> |
| <script> |
| requestAnimationFrame(() => requestAnimationFrame(() => { |
| child.style.left = '150px'; |
| takeScreenshot(); |
| })); |
| </script> |
