Examine source code of Maple Leaves Change

{
  "theme": {
    "images": {
      "theme_frame": "MapleLeavesChangeH2.jpg"
    },
    "colors": {
      "frame": "#ccff66",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Maple Leaves Change",
  "manifest_version": 2,
  "description": "abstract, autumn, fall, falling, glow, gold, green, leaves, light, orange, simple, simplistic, chartreuse, lime, sparkle, yellow, \n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/0baa2f0693aa07e0830782c4c49b2252dd4dbd0602f843ecdda7d269784cc75d/http%3A//nature.desktopnexus.com/wallpaper/1194261/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/1194261/</a>"
}