is-specificity-shadow.html

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This WPT test may be referenced by the following Test IDs:
- /css/selectors/is-specificity-shadow.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Specificity of :host() inside :is()</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<link rel="help" href="https://drafts.csswg.org/selectors-4/#matches">

<link rel="help" href="https://drafts.csswg.org/css-scoping/#host-selector">

<style>

  main :not(:is(:host(#a))) { color: green; }

  main :not(:is(:host(.a))) { color: red; }

</style>

<main>

  <div id=element>Green</div>

</main>

<script>

  test(function() {

    assert_equals(getComputedStyle(element).color, 'rgb(0, 128, 0)');

  }, 'Specificity of :host() inside :is()');

</script>