| <!DOCTYPE html> |
| <title>CSS Values and Units Test: attr() in container style queries</title> |
| <link rel="help" href="https://drafts.csswg.org/css-conditional-5/#container-queries"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| #container { |
| --foo: bar; |
| } |
| @container style(--foo: attr(data-foo type(<custom-ident>))) { |
| #target { color: green; } |
| } |
| </style> |
| <div id="container" data-foo="bar"> |
| <div id="target">Should be green</div> |
| </div> |
| <script> |
| test(() => { |
| assert_equals(getComputedStyle(target).color, "rgb(0, 128, 0)"); |
| }, "style query should implement to true"); |
| </script> |
