Examine source code of Aurora Over Mountains

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#020202",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Aurora Over Mountains",
  "manifest_version": 2,
  "description": "Designed by MaDonna\n\nMy wallpaper to match is at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/3646a5551fc9467504040e0be4b88ef2bdf5f36459c3f1183c12fff1c24f71da/http%3A//abstract.desktopnexus.com/wallpaper/1545735/\">http://abstract.desktopnexus.com/wallpaper/1545735/</a>"
}