title: how to change background color of all panels and containers of sencha touch 2 app
body: <p>I am trying to change theme of sencha application, i want to know how to change background color of all panels and containers of sencha touch app like <a href="http://dev.sencha.com/deploy/touch/examples/production/touchstyle/" rel="nofollow">touchstyle application</a></p>
  
  <p>I changed the title bar, tab panel color, but i don't know how to change the color of panel and container. </p>