title: How to add Multiple Buttons in AppBar using iconElementRight
body: <pre><code>&lt;AppBar
      title={&lt;span&gt;Title&lt;/span&gt;}
      iconRightElement={
          &lt;FlatButton key={1} label="About"/&gt;
          &lt;FlatButton key={2} label="Home" /&gt;
       } /&gt;
    /&gt;
  </code></pre>
  
  <p>I have tried above code but not working..</p>