Examine source code of Fiat 500d

{
  "theme": {
    "images": {
      "theme_frame": "fiat500d.png"
    },
    "colors": {
      "frame": "#f70808",
      "tab_background_text": "#f5f771"
    }
  },
  "version": "2.0",
  "name": "Fiat 500d",
  "manifest_version": 2,
  "description": "fiat 500d"
}