Examine source code of xxOne Piece

{
  "theme": {
    "images": {
      "theme_frame": "Persona-Header.png"
    },
    "colors": {
      "frame": "#6bb4e1",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "xxOne Piece",
  "manifest_version": 2,
  "description": "This persona was made for my personal use, and probably won't work on larger computers.Images (c) their respective owners."
}