Examine source code of Times Square Experience

{
  "theme": {
    "images": {
      "theme_frame": "header_persona.jpg"
    },
    "colors": {
      "frame": "#ff9900",
      "tab_background_text": "#ffffcc"
    }
  },
  "version": "2.0",
  "name": "Times Square Experience",
  "manifest_version": 2,
  "description": "For you who likes the sexiest New York's avenue, a persona made especially for it. Feel the experience of Times Square in your Firefox. Enjoy!"
}