td><code>.col-md-</code></td>
          <td><code>.col-lg-</code></td>
        </tr>
        <tr>
          <th class="text-nowrap" scope="row"># of columns</th>
          <td colspan="4">12</td>
        </tr>
        <tr>
          <th class="text-nowrap" scope="row">Column width</th>
          <td class="text-muted">Auto</td>
          <td>~62px</td>
          <td>~81px</td>
          <td>~97px</td>
        </tr>
        <tr>
          <th class="text-nowrap" scope="row">Gutter width</th>
          <td co