Examine source code of Autumn Wind

{
  "theme": {
    "images": {
      "theme_frame": "pumpkin3.png"
    },
    "colors": {
      "frame": "#2a6962",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Autumn Wind",
  "manifest_version": 2,
  "description": "Autumn is my favorite time of year bringing warm memories of crisp mornings, warm days &amp; Halloween fun.  You can download a matching wallpaper here:\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/b19768d92b3e4d8960f6284b2785d556c66a904f0f30070bf9441f383f169c6a/http%3A//wagooh.net/freebies/firefox-personas\">http://wagooh.net/freebies/firefox-personas</a>"
}