| <!DOCTYPE html> |
| <html class="reftest-wait"> |
| <title>CSS Container Queries Test: ::highlight pseudo size container change</title> |
| <link rel="help" href="https://drafts.csswg.org/css-conditional-5/#query-container"> |
| <link rel="match" href="pseudo-elements-010-ref.html"> |
| <script src="/common/reftest-wait.js"></script> |
| <style> |
| #container { |
| width: 300px; |
| container-type: inline-size; |
| } |
| #container::highlight(hi) { |
| color: red; |
| background: transparent; |
| } |
| @container (width >= 400px) { |
| #container::highlight(hi) { |
| color: green; |
| background: transparent; |
| } |
| } |
| </style> |
| <div id="container">Highlight</div> |
| <script> |
| let highlight_range = document.createRange(); |
| highlight_range.selectNode(container); |
| CSS.highlights.set("hi", new Highlight(highlight_range)); |
| |
| requestAnimationFrame(() => { |
| requestAnimationFrame(() => { |
| container.style.width = "500px"; |
| takeScreenshot(); |
| }); |
| }); |
| </script> |