and background-color should be the
            UA defaults, usually like black on blue or white on blue,
            *not* initial on initial (like unhighlighted content).
        */
        text-decoration: none;
    }
</style>
<p>Test passes if the text below appears to be highlighted.
<main class="highlight_reftest">quick</main>
<script>selectNodeContents(document.querySelector("main"));</script>
