<section class="demo-section">
  <h2>Popover</h2>

  <div class="popover">
    <button type="button" class="btn btn-primary" data-popover-toggle aria-haspopup="true">Toggle popover</button>
    <div class="popover-panel">
      <h3 class="popover-title">Popover title</h3>
      <p class="popover-text">This is a lightweight floating panel triggered by a button click.</p>
    </div>
  </div>
</section>