Examine source code of Blue and Beautiful

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Blue and Beautiful",
  "manifest_version": 2,
  "description": "Designed by MaDonna\n\nMy wallpaper to match is at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/4fe2ee69a9e866921e325e80065156b457c43ccf8c715456c8e6fc8eee6d8b90/http%3A//nature.desktopnexus.com/wallpaper/1738623/\">http://nature.desktopnexus.com/wallpaper/1738623/</a>"
}