Examine source code of Keystone

{
  "theme": {
    "images": {
      "theme_frame": "headertest.jpg"
    },
    "colors": {
      "frame": "#c2bebe",
      "tab_background_text": "#030303"
    }
  },
  "version": "2.0",
  "name": "Keystone",
  "manifest_version": 2,
  "description": "Keystone Technology Consultants\n<a href=\"https://outgoing.prod.mozaws.net/v1/67680b2425d687fa32a32bddb5922a21dff8940ce504c126a3fbf40708aa17e6/http%3A//www.Keystonecorp.com\" rel=\"nofollow\">www.Keystonecorp.com</a>"
}