<!DOCTYPE html>
<html>
  <head>
    <title>CSS Selectors: :is()</title>
    <link rel="author" title="Victoria Su" href="mailto:victoriaytsu@google.com">
    <link rel="help" href="https://drafts.csswg.org/selectors-4/#matches">
    <meta name="assert" content="This tests that the :is() selector is effective when nested">
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <style>
      /* Testing that highest specificity is chosen for class 