Examine source code of Sydney Panorama

{
  "theme": {
    "images": {
      "theme_frame": "Sydhead.jpg"
    },
    "colors": {
      "frame": "#7999b8",
      "tab_background_text": "#011545"
    }
  },
  "version": "2.0",
  "name": "Sydney Panorama",
  "manifest_version": 2,
  "description": "A panorama of Sydney taken from Watsons bay"
}