Examine source code of Nirvash Type Zero

{
  "theme": {
    "images": {
      "theme_frame": "NirvashPersona.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Nirvash Type Zero",
  "manifest_version": 2,
  "description": "Nirvash Persona: Editing in progress: if you are wearing this Persona I am sorry for the inconvenience."
}