markdownify jumbotron docs

docs/components/jumbotron.md

-<div class="bs-docs-section">
-  <h1 id="jumbotron" class="page-header">Jumbotron</h1>
+---
+layout: page
+title: Jumbotron
+---
 
-  <p>A lightweight, flexible component that can optionally extend the entire viewport to showcase key content on your site.</p>
-  <div class="bs-example">
-    <div class="jumbotron">
-      <h1>Hello, world!</h1>
-      <p>This is a simple hero unit, a simple jumbotron-style component for calling extra attention to featured content or information.</p>
-      <p><a class="btn btn-primary btn-lg" role="button">Learn more</a></p>
-    </div>
-  </div>
-{% highlight html %}
+A lightweight, flexible component that can optionally extend the entire viewport to showcase key content on your site.
+
+{% example html %}
 <div class="jumbotron">
   <h1>Hello, world!</h1>
-  <p>...</p>
+  <p>This is a simple hero unit, a simple jumbotron-style component for calling extra attention to featured content or information.</p>
   <p><a class="btn btn-primary btn-lg" role="button">Learn more</a></p>
 </div>
-{% endhighlight %}
-  <p>To make the jumbotron full width, and without rounded corners, place it outside all <code>.container</code>s and instead add a <code>.container</code> within.</p>
-{% highlight html %}
+{% endexample %}
+
+To make the jumbotron full width, and without rounded corners, place it outside all `.container`s and instead add a `.container` within.
+
+{% example html %}
 <div class="jumbotron">
   <div class="container">
     ...
   </div>
 </div>
-{% endhighlight %}
-</div>
+{% endexample %}