otstrap.com/css/#forms" target="_blank">
       checkbox
      </a>
  </td>
</tr>
<tr>
  <td>
    <a href="{{ site.url }}/documentation/form/radio/">
      radio
    </a>
  </td>
  <td>
     <a href="https://getbootstrap.com/css/#forms" target="_blank">
       radio
      </a>
  </td>
</tr>
<tr>
  <td class="bd-is-unique">
    <a href="{{ site.url }}/documentation/form/file/">
      file
    </a>
  </td>
  <td class="bd-is-empty">
    <span>–</span>
  </td>
</tr>
<tr>
  <td>
    <a href="{{ site.url }}/do