chromium/third_party/blink/web_tests/external/wpt/css/selectors/nth-child-of-compound-selector-ref.html

<!doctype html>
<html>
<body>
    <p></p>
    <p>This test the styling of paragraphs with :nth-child(An+B of selector). If the test succeed, paragraphs that say "green" should have a green background.</p>
    <p>White!</p>
    <p>White!</p>
    <p>White!</p>
    <p>White!</p>
    <p>White!</p>
    <p style="background-color: lime">Green</p>
    <p>White!</p>
    <p>White!</p>
    <p>White!</p>
    <p>White!</p>
    <p>White!</p>
</body>
</html>