    <th>Large <code>.btn-lg</code></th>
                    <th>Small <code>.btn-sm</code></th>
                    <th>Extra Small <code>.btn-xs</code></th>
                    <th>Flat <code>.btn-flat</code></th>
                    <th>Disabled <code>.disabled</code></th>
                  </tr>
                  <tr>
                    <td>
                      <button type="button" class="btn btn-block btn-outline-primary">Primary</button>
                    </td>
                    <td>
          