qroo</a> couldn’t be added to this list for arabic.</p>
    </section>

    <section id="support-for-variable-fonts" class="level2">
      <h2 id="sigil_toc_id_206">Support for variable fonts</h2>
  
      <p>In version 2, ReadiumCSS provides support for three registered (read common) axes so that you can expose them as user settings.</p>
  
      <ol>
        <li><code>--USER__fontWeight</code></li>
  
        <li><code>--USER__fontWidth</code></li>
  
        <li><code>--USER__fontOpticalSizing</code></