Examine source code of FIDESZ

{
  "theme": {
    "images": {
      "theme_frame": "HEADERksz.jpg"
    },
    "colors": {
      "frame": "#e86203",
      "tab_background_text": "#e86203"
    }
  },
  "version": "2.0",
  "name": "FIDESZ",
  "manifest_version": 2,
  "description": "Best on 1024 X 768."
}