title: Angular.js: Set CSS when Input is on Focus
body: <p>Does someone knows how to get the following working: </p>
  
  <p>If an user clicks inside "name" - Set CSS Class to XYZ on DIV ?</p>
  
  <pre><code>&lt;div ng-class="???"&gt;Enter your Name here&lt;/div&gt;
  
  &lt;input type="text" ng-model="user.name" required id="name"/&gt;
  </code></pre>
  
  <p>Version: AngularJS v1.0.8</p>