Examine source code of For Fall Friends

{
  "theme": {
    "images": {
      "theme_frame": "ForFallFriendsH.jpg"
    },
    "colors": {
      "frame": "#cccc33",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "For Fall Friends",
  "manifest_version": 2,
  "description": "autumn, chill, dragonflies, fall, gold, green, ladybug, leaves, light, maple, oak, orange, sky, soft,\n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/db1a7dc0fdceedd93a53c7fdf8d3ccf03e6675f286adf1d7f84eba3ff2c581e2/http%3A//nature.desktopnexus.com/wallpaper/1201125/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/1201125/</a>"
}