Examine source code of Bright Rose by MaDonna

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Bright Rose by MaDonna",
  "manifest_version": 2,
  "description": "Designed by MaDonna\n\nMy wallpaper to match is at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/aa50a1b340e2840959c00fc9b5aff4d86db3bee84d817650108ccc30e60b5cc1/http%3A//nature.desktopnexus.com/wallpaper/1687954/\">http://nature.desktopnexus.com/wallpaper/1687954/</a>"
}