Examine source code of Porsche 968 v2.1

{
  "theme": {
    "images": {
      "theme_frame": "persona-5.jpg"
    },
    "colors": {
      "frame": "#8c8a8a",
      "tab_background_text": "#fcfcfc"
    }
  },
  "version": "2.0",
  "name": "Porsche 968 v2.1",
  "manifest_version": 2,
  "description": "Yellow Porsche 968"
}