Examine source code of Forever Blue

{
  "theme": {
    "images": {
      "theme_frame": "ForeverBlueH.jpg"
    },
    "colors": {
      "frame": "#dfe5f3",
      "tab_background_text": "#111f66"
    }
  },
  "version": "2.0",
  "name": "Forever Blue",
  "manifest_version": 2,
  "description": "Designed by MaDonna\n\nMy wallpaper to match can be found at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/eb70421d7aae896fc700f48190cec5e40da11e4354d2f4d9161982bcb473d32a/http%3A//nature.desktopnexus.com/wallpaper/738934/\">http://nature.desktopnexus.com/wallpaper/738934/</a>"
}