Examine source code of Datacenter Hellas

{
  "theme": {
    "images": {
      "theme_frame": "top.png"
    },
    "colors": {
      "frame": "#c7c7c7",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Datacenter Hellas",
  "manifest_version": 2,
  "description": "Datacenter Hellas - <a href=\"https://outgoing.prod.mozaws.net/v1/d8cc20bf226f38723299665a886cc0c9e8d7c193d6a1e5fa495e0cc7a6fa1637/http%3A//www.datacenterhellas.com\" rel=\"nofollow\">http://www.datacenterhellas.com</a>"
}