Examine source code of Apocalyptica 2

{
  "theme": {
    "images": {
      "theme_frame": "apocalyptica2.jpg"
    },
    "colors": {
      "frame": "#a6a6a6",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Apocalyptica 2",
  "manifest_version": 2,
  "description": "Apocalyptica, Eicca Toppinen, Perttu Kivilaakso, Paavo Lotjonen"
}