sio-signout.ixml

<!DOCTYPE fieldset>
<fieldset xmlns="http://www.w3.org/1999/xhtml">
  <input type="hidden" data-xp="_ident" />
  <div class="siso__header">
    <label class="siso__button" data-semantic="button">
      <button class="btn--link" type="submit" name="_fn" value="save" data-tr="button_signout"></button>
    </label>
  </div>
</fieldset>