Examine source code of Zinger

{
  "theme": {
    "images": {
      "theme_frame": "zing.jpg"
    },
    "colors": {
      "frame": "#72f209",
      "tab_background_text": "#643478"
    }
  },
  "version": "2.0",
  "name": "Zinger",
  "manifest_version": 2,
  "description": "Zinger Model Car"
}