tbootstrap.com/components/#btn-groups" target="_blank">
       button groups
      </a>
  </td>
</tr>
<tr>
  <td>
    <a href="{{ site.url }}/documentation/form/general/">
      field is-grouped
    </a>
  </td>
  <td>
     <a href="https://getbootstrap.com/components/#input-groups" target="_blank">
       input groups
      </a>
  </td>
</tr>
<tr>
  <td>
    <a href="{{ site.url }}/documentation/form/general/">
      control
    </a>
  </td>
  <td>
     <a href="https://getbootstrap.com/css/#forms" target=