Examine source code of Peony Bright

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#f8bbcd",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Peony Bright",
  "manifest_version": 2,
  "description": "Designed by MaDonna\n\nMy wallpaper to match is at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/f2dcddaf18c95cf9e6c35457a6853caf0329722859228d80013231eaab4be629/http%3A//nature.desktopnexus.com/wallpaper/1573762/\">http://nature.desktopnexus.com/wallpaper/1573762/</a>"
}