Examine source code of Blue Snowfade Flakes

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#021d58"
    }
  },
  "version": "2.0",
  "name": "Blue Snowfade Flakes",
  "manifest_version": 2,
  "description": "Designed by MaDonna\n\nMy wallpaper to match is at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/fae2e7a498e2cf328abe06b7b0621d02b5e3a540146b563a770ebda184835d72/http%3A//nature.desktopnexus.com/wallpaper/1563659/\">http://nature.desktopnexus.com/wallpaper/1563659/</a>"
}