Examine source code of Duke Devlin

{
  "theme": {
    "images": {
      "theme_frame": "dukedevlin.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Duke Devlin",
  "manifest_version": 2,
  "description": "This Persona Contains Copious Amounts of Duke Devlin"
}