Examine source code of guzzi nevada

{
  "theme": {
    "images": {
      "theme_frame": "barrasopra.jpg"
    },
    "colors": {
      "frame": "#e02121",
      "tab_background_text": "#3b3737"
    }
  },
  "version": "2.0",
  "name": "guzzi nevada",
  "manifest_version": 2
}