Examine source code of Halloween Scary

{
  "theme": {
    "images": {
      "theme_frame": "ScaryHCustom.jpg"
    },
    "colors": {
      "frame": "#660033",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Halloween Scary",
  "manifest_version": 2,
  "description": "Halloween, ghoul, dead tree, crows, zombie, cross, graveyard, graves, goth, Gothic, \n\nDesigned by MaDonna\n\nMy wallpaper to match can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/52587371bb797be4dd84398f08c04f2a448d1c7618f6ff304f965f22b29ee951/http%3A//abstract.desktopnexus.com/wallpaper/833115/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/833115/</a>"
}