Examine source code of www.EspantaElfos.com

{
  "theme": {
    "images": {
      "theme_frame": "banner_firefox.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "www.EspantaElfos.com",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/08429a4f353f1d8a998bb3727d41fc3b38857bb45bcaa431447f615aa25768a7/http%3A//www.espantaelfos.com\" rel=\"nofollow\">www.espantaelfos.com</a>"
}