Bootstrap 3 scrollspy

<!DOCTYPE html>
<title>My Example</title>

<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<div class="container-fluid">
		
<style scoped="true">
article.scrollspy-example { 
position: relative;
overflow: scroll; 
width: 350px;
height: 160px;
}
</style>

<nav id="scrollspy-nav" class="navbar navbar-default">
    <ul class="nav nav-pills">
      <li class="nav-item"><a class="nav-link" href="#bast">About</a></li>
      <li class="nav-item"><a class="nav-link" href="#brogan">Products</a></li>
      <li class="nav-item"><a class="nav-link" href="#calceology">Contact</a></li>
    </ul>
  </nav>
  <article data-spy="scroll" data-target="#scrollspy-nav" data-offset="0" class="scrollspy-example">
    <h4 id="bast">About Us</h4>
    <p>We've been selling all sorts of stuff to do with feet since we started.</p>
    <p>Long story short...</p>
    <p>(That is all).</p>
    <h4 id="brogan">Products</h4>
    <p>We have all sorts of products, including, but not limited to:</p>
    <ul>
        <li>Boots</li>
        <li>Shoes</li>
        <li>Socks</li>
        <li>Bootstraps</li>
    </ul>
    <h4 id="calceology">Contact Us</h4>
    <p>Do you really think we'd give out our contact details? </p>
    <p>No... really?</p>
    <p>Alright! Here they are:</p>

<ol>
        <li>Walk north</li>
        <li>Turn right at the corner</li>
        <li>Turn right at the next corner</li>
        <li>Then right again</li>
        <li>Then walk back to where you started.</li>
    </ol>
</article>

</div>
		

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>

<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>

<script>
// Initialize tooltip component
$(function () {
  $('[data-toggle="tooltip"]').tooltip()
})

// Initialize popover component
$(function () {
  $('[data-toggle="popover"]').popover()
})
</script>