Examine source code of Firefox 4 life

{
  "theme": {
    "images": {
      "theme_frame": "mozilla_by_seun.jpg"
    },
    "colors": {
      "frame": "#9ecf4f",
      "tab_background_text": "#8c6c3a"
    }
  },
  "version": "2.0",
  "name": "Firefox 4 life",
  "manifest_version": 2,
  "description": "Firefox Fun by seun odusote"
}