Examine source code of Enjoing Summer by MaDonna

{
  "theme": {
    "images": {
      "theme_frame": "EnjoyingSummerHCustom.jpg"
    },
    "colors": {
      "frame": "#10542b",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Enjoing Summer by MaDonna",
  "manifest_version": 2,
  "description": "My wallpaper that matches can be found at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/79f4d234d6a377d704b773ea7eed0b4901c773571d5df888ecf7d3ac9e0cbf69/http%3A//nature.desktopnexus.com/wallpaper/730178/\">http://nature.desktopnexus.com/wallpaper/730178/</a>"
}