Examine source code of Dark Beauties

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#481001",
      "tab_background_text": "#fffafa"
    }
  },
  "version": "2.0",
  "name": "Dark Beauties",
  "manifest_version": 2,
  "description": "Designed by MaDonna\n\nMy wallpaper to match is at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/e9fc51936076f98897321ae9817eb09ecaad7cd319c5a2acdbb89147a1deeb52/http%3A//nature.desktopnexus.com/wallpaper/1602063/\">http://nature.desktopnexus.com/wallpaper/1602063/</a>"
}