<h4>Requires Bootstrap nav</h4>
    <p>Scrollspy currently requires the use of a <a href="../components/#nav">Bootstrap nav component</a> for proper highlighting of active links.</p>
  </div>
  <div class="bs-callout bs-callout-danger" id="callout-scrollspy-target-ids">
    <h4>Resolvable ID targets required</h4>
    <p>Navbar links must have resolvable id targets. For example, a <code>&lt;a href="#home"&gt;home&lt;/a&gt;</code> must correspond to something in the DOM like <code>&lt;div id="home"&gt;&lt;/di