Class 1 2 3
active 1 2 3
success 1 2 3
error 1 2 3
warning 1 2 3
info 1 2 3
<!-- On rows -->
  <tr class="active">...</tr>
  <tr class="success">...</tr>
  <tr class="warning">...</tr>
  <tr class="danger">...</tr>
  <tr class="info">...</tr>

  <!-- On cells (`td` or `th`) -->
  <tr>
    <td class="active">...</td>
    <td class="success">...</td>
    <td class="warning">...</td>
    <td class="danger">...</td>
    <td class="info">...</td>
  </tr>