Examine source code of Goose at Sunset

{
  "theme": {
    "images": {
      "theme_frame": "GooseatSunsetHeader2.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#663333"
    }
  },
  "version": "2.0",
  "name": "Goose at Sunset",
  "manifest_version": 2,
  "description": "A lone Canada Goose swims in the twilight on Centennial Lake in Howard County, MD. Photos used by permission of <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/31bc6c1f92781d2964f0134946b69bc9ec7f9b3f3debae97eac65f3a44b96b94/http%3A//flyaway.smugmug.com/\">http://flyaway.smugmug.com/</a> ."
}