Examine source code of Cookie-Monster

{
  "theme": {
    "images": {
      "theme_frame": "cookie.jpg"
    },
    "colors": {
      "frame": "#362005",
      "tab_background_text": "#45220d"
    }
  },
  "version": "2.0",
  "name": "Cookie-Monster",
  "manifest_version": 2,
  "description": "cookie monster ^^!!!!"
}