Examine source code of Zune Wallpaper

{
  "theme": {
    "images": {
      "theme_frame": "header30.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ff0077"
    }
  },
  "version": "2.0",
  "name": "Zune Wallpaper",
  "manifest_version": 2,
  "description": "A nice touch up for your browser with this beautiful Zune theme to go along with your other Zune supplies giving your browser the look of it all."
}