Examine source code of Fallout dude

{
  "theme": {
    "images": {
      "theme_frame": "Persona.jpg"
    },
    "colors": {
      "frame": "#c2c2b7",
      "tab_background_text": "#030000"
    }
  },
  "version": "2.0",
  "name": "Fallout dude",
  "manifest_version": 2,
  "description": "Labbada"
}