ht</code> or <code class="highlighter-rouge">.thead-dark</code> to make <code class="highlighter-rouge">&lt;thead&gt;</code>s appear light or dark gray.</p>

<div class="bd-example">
<table class="table">
  <thead class="thead-dark">
    <tr>
      <th scope="col">#</th>
      <th scope="col">First</th>
      <th scope="col">Last</th>
      <th scope="col">Handle</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <th scope="row">1</th>
      <td>Mark</td>
      <td>Otto</td>
      <td>@mdo</td>
    </tr>
  