Examine source code of Purity in White

{
  "theme": {
    "images": {
      "theme_frame": "PurityinWhiteH.jpg"
    },
    "colors": {
      "frame": "#dadeda",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Purity in White",
  "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/v1/8916195a884d7d58b7c5b7111f88d7cf2fc829f1f20e807ade53e77917b94757/http%3A//nature.desktopnexus.com/wallpaper/744533/\">http://nature.desktopnexus.com/wallpaper/744533/</a>"
}