title: Css not working properly in codemirror editor
body: <p>I've installed the <a href="http://codemirror.net/">codemirror editor</a> succesfully.<br>
  But there is one issue regarding css of that editor.</p>
  
  <p>You can check <a href="http://screencast.com/t/t3eLWrYvj">here</a> what I mean.</p>
  
  <p>So how can I display the color after 3rd line in the editor.</p>