Examine source code of efham computer

{
  "theme": {
    "images": {
      "theme_frame": "Header.jpg"
    },
    "colors": {
      "frame": "#545454",
      "tab_background_text": "#1f1f1f"
    }
  },
  "version": "2.0",
  "name": "efham computer",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/25b37fd6ecca422895aff51e72a171d09c01b9e0fdaf84c0e49215925b9748ad/http%3A//www.efhamcomputer.com\" rel=\"nofollow\">www.efhamcomputer.com</a>"
}