title: how to config text default color in ckeditor
body: <p>I can set the <code>background-color</code> to blue:</p>
  
  <pre><code>eventHandler.addEventHandler('instanceReady', function(e) {
      e.editor.document.getBody().setStyle('background-color', 'blue');
  });
  </code></pre>
  
  <p>How do I change the default color to white in ckeditor?</p>