
<tr>
  <th colspan="2">
    Grid system
  </th>
</tr>
<tr>
  <td>
    <a href="{{ site.url }}/documentation/columns/basics/">
      columns
    </a>
  </td>
  <td>
    <a href="https://getbootstrap.com/css/#grid" target="_blank">
      row
    </a>
  </td>
</tr>
<tr>
  <td>
    <a href="{{ site.url }}/documentation/columns/basics/">
      column
    </a>
  </td>
  <td>
    <a href="https://getbootstrap.com/css/#grid" target="_blank">
       col
    </a>
  </td>
</tr>
<tr>
  <td class="bd-is-unique">
    <a