Examine source code of Lovecraftian_Nightmare

{
  "theme": {
    "images": {
      "theme_frame": "lovecraft-firefox.jpg"
    },
    "colors": {
      "frame": "#f01313",
      "tab_background_text": "#030303"
    }
  },
  "version": "2.0",
  "name": "Lovecraftian_Nightmare",
  "manifest_version": 2,
  "description": "A design inspired by horror author H.P. Lovecraft using art pieces from the designs of Michael Whelan. No copyright infringement intended.\n\n<a href=\"https://outgoing.prod.mozaws.net/v1/bf9a425906c7d1a59f44817ff773a90235bb056991e7c15d409185b40e42a121/http%3A//www.michaelwhelan.com/\" rel=\"nofollow\">http://www.michaelwhelan.com/</a>"
}