| <!DOCTYPE html> |
| <title>CSS @layers basic example</title> |
| <meta charset="utf-8"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <link rel="help" href="https://drafts.csswg.org/css-cascade-5/#layering"> |
| <!-- Regression test for https://github.com/jsdom/jsdom/issues/3785 --> |
| |
| <style> |
| @layer foo, bar; |
| @layer foo { |
| p { |
| color: yellow; |
| } |
| } |
| |
| @layer bar { |
| p { |
| background-color: black; |
| } |
| } |
| |
| p { |
| font-size: 4rem; |
| } |
| </style> |
| |
| <p id="testP">Test paragraph</p> |
| |
| <script> |
| "use strict"; |
| |
| test(() => { |
| const p = document.getElementById("testP"); |
| const styles = window.getComputedStyle(p); |
| |
| assert_equals(styles.color, "rgb(255, 255, 0)"); |
| assert_equals(styles.backgroundColor, "rgb(0, 0, 0)"); |
| assert_equals(styles.fontSize, "64px"); |
| }); |
| </script> |
