  <li><a href='/rxconfig'>RX Config</a></li>
        <li><a href='/btnconfig'>Button TX Config</a></li>
      </ul>
    </li>
    <li><a class='dropdown-arrow'>RX Log</a>
      <ul class='sub-menus'>
        <li><a href='/viewlog'>RX Logs</a></li>
        <li><a href='/delete'>Delete Logs</a></li>
        <li><a href='/downloadlog'>Download Logs</a></li>
        <li><a href='/cleanspiffs'>Clean SPIFFS</a></li>
      </ul>
    </li>
    <li><a class='dropdown-arrow'>URH Protocol</a>
      <ul class='sub-menu