mockup for tute front page refresh. With tabs. Huzzah

src/site/docs/tutorials/web-ui/index.markdown

 ---
 layout: default
-title: "Target 6: Get Started with Web UI"
+title: "Get Started with Web UI"
 description: "Web UI provides web components, templates, data binding, and encapsulation."
 has-permalinks: true
 tutorial:
   id: get-started-web-ui
 next: templates
-next-title: "Use <template>"
-prev: packages
+next-title: "Use Templates"
+prev: shared-pkgs
 prev-title: "Install Shared Packages"
 ---
 
 {% capture whats_the_point %}
 
 * Web UI is an open-source package.
 * Web UI provides web components for Dart apps.
 * Other features support separation of data and presentation.
 * Compile Web UI apps automatically in Dart Editor.
 * Use data binding to sync Dart variables and UI elements.
@@ skipping 18 matching lines @@
   <li>
     <a href="https://github.com/dart-lang/dart-tutorials-samples/tree/master/web/target06/stopwatch"
        target="_blank">stopwatch</a>
   </li>
 </ul>
 
 {% endcapture %}
 
 {% capture content %}
 
+<div class="tute-target-title">
+<h1>{{page.title}}</h1>
+<h3>Declaratively create dynamic user interfaces.</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 501 matching lines @@
     Sigmund Cherem's article,
     <a href="/articles/dart-web-components/">Web UI Package</a>,
     contains several interactive examples on the page
     and the corresponding source code.
   </li>
 </ul>
 
 {% endcapture %}
 
 {% include tutorial.html %}