Examine source code of Darkfox official 2

{
  "theme": {
    "images": {
      "theme_frame": "DarkfoxNeu.png"
    },
    "colors": {
      "frame": "#ffdc2e",
      "tab_background_text": "#fc822a"
    }
  },
  "version": "2.0",
  "name": "Darkfox official 2",
  "manifest_version": 2,
  "description": "Das zweite offizielle Darkfox-Persona."
}