| <!DOCTYPE html> |
| <html class="reftest-wait"> |
| <title>z-index, will-change, mix-blend-mode on overlapping layers</title> |
| <link rel="match" href="z-index-blend-will-change-overlapping-layers-ref.html"> |
| <link rel="help" href="https://www.w3.org/TR/CSS2/visuren.html#propdef-z-index"> |
| <link rel="help" href="https://drafts.csswg.org/css-will-change/#will-change"> |
| <link rel="help" href="https://www.w3.org/TR/compositing-1/#mix-blend-mode"> |
| <meta name="assert" content="Tests z-index, will-change and mix-blend-mode on overlapping layers. |
| Passes if there is a green bar when the page is scrolled to the bottom."> |
| <script src="/common/reftest-wait.js"></script> |
| <div style="z-index: 1; position: relative; height: 100vh"> |
| <div style="mix-blend-mode: multiply"></div> |
| <div style="will-change: transform; position: absolute; bottom: -100px; width: 100px; height: 100px; background: red"> |
| </div> |
| </div> |
| <div style="z-index: 1; position: relative; background: green; height: 100px"></div> |
| <script> |
| requestAnimationFrame(()=>{ |
| requestAnimationFrame(()=>{ |
| window.scrollBy(0, 100); |
| takeScreenshot(); |
| }); |
| }); |
| </script> |
| </html> |
