Examine source code of Blackadder Persona

{
  "theme": {
    "images": {
      "theme_frame": "test.jpg"
    },
    "colors": {
      "frame": "#4a0312",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Blackadder Persona",
  "manifest_version": 2,
  "description": "Blackadder follows the fortunes (or rather, misfortunes) of Edmund Blackadder, who in each of the four series, is a member of a British family dynasty present at many significant periods and places in British history."
}