<ul class="nav nav-pills">
  <li class="nav-item">
    <a href="#default-tab-1" data-bs-toggle="tab" class="nav-link active">Tab 1</a>
  </li>
</ul>

<div class="tab-content panel p-3 rounded">
  <div class="tab-pane fade active show" id="default-tab-1">
    ...
  </div>
</div>