chromium/third_party/blink/web_tests/external/wpt/css/css-fonts/font-variant-position-04-notref.html

<!DOCTYPE html>
<html lang="en">
<meta charset="utf-8"/>
<title>CSS Reference (mismatch)</title>

<style>
    /* Lato has superscript Latin letters, but not subscript ones;
     * digits are available in both super- and subscript form.
     */
    @font-face {
        font-family: "lato";
        src: url(support/fonts/Lato-Medium.ttf);
    }
    .test {
        font-family: "lato";
        font-size: 2em;
    }
</style>

<section class="test">
    <p>Synthetic subscript letters <em>must</em> be used:</p>
    <p>Text with subscript letters</p>
</section>