Examine source code of Fall Friends

{
  "theme": {
    "images": {
      "theme_frame": "FallFriendsHCustom.jpg"
    },
    "colors": {
      "frame": "#ffffcc",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Fall  Friends",
  "manifest_version": 2,
  "description": "cat, kitten, kitty, bird, apples, leaves, log, grass, ivy, pumpkin, nuts, autumn, \n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/d7941c467d0e8780f90b6053e6abfe6f29604bbe4367991f2c4553c359f0fea9/http%3A//nature.desktopnexus.com/wallpaper/835204/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/835204/</a>"
}