Examine source code of KNVB Persona

{
  "theme": {
    "images": {
      "theme_frame": "netherlandspersonacopy.jpg"
    },
    "colors": {
      "frame": "#454545",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "KNVB Persona",
  "manifest_version": 2,
  "description": "Dutch Football is some of the most exciting to watch.  I was cheering for them to bring home the World Cup.  Next year, guys.\n\nKNVB logo belongs to the KNVB.\n\nDutch coat of arms created by Alex:D (Wikipedia).\n\nRoyal Dutch Crown created by David Liuzzo (Wikipedia)."
}