mockup for tute front page refresh. With tabs. Huzzah

src/site/docs/tutorials/custom-elements/index.markdown

 ---
 layout: default
-title: "Target 8: Define a Custom DOM Tag"
+title: "Define a Custom DOM Tag"
 description: "Define a custom DOM element tag with help from the Web UI package"
 has-permalinks: true
 tutorial:
   id: web-components
 next: fetchdata
 next-title: "Fetch Data Dynamically"
 prev: templates
-prev-title: "Use <template>"
+prev-title: "Use Templates"
 ---
 
 {% capture whats_the_point %}
 
 * Make your own DOM element tags with the <element> tag.
 * A custom element requires a template and can have a script.
 * Use data binding to connect Dart variables to content.
 * Directly attach event handlers in HTML.
 
 {% endcapture %}
@@ skipping 11 matching lines @@
   <li>
     <a href="https://github.com/dart-lang/dart-tutorials-samples/tree/master/web/target08/convertthis"
        target="_blank">convertthis</a>
   </li>
 </ul>
 
 {% endcapture %}
 
 {% capture content %}
 
+<div class="tute-target-title">
+<h1>{{page.title}}</h1>
+<h3>Create your own, customized DOM elements.</h3>
+</div>
+
 <hr>
 
 <aside class="alert" style="background-color:Lavender;color:SlateBlue">
   <font size="24">
   <i class="icon-bullhorn"> </i>
   </font>
 
   The Dart Web UI team recently
   <a href="https://groups.google.com/a/dartlang.org/forum/#!topic/web-ui/6laXXxRtA7k">announced</a>
   a port of the Polymer project:
@@ skipping 349 matching lines @@
   The Web UI package contains several examples,
   including a version of
   <a href="https://github.com/dart-lang/web-ui/tree/master/example/todomvc"
      target="_blank">TodoMVC</a>.
 </li>
 </ul>
 
 {% endcapture %}
 
 {% include tutorial.html %}