Examine source code of Top-Servers.eu

{
  "theme": {
    "images": {
      "theme_frame": "header2.jpg"
    },
    "colors": {
      "frame": "#c9c5c5",
      "tab_background_text": "#559120"
    }
  },
  "version": "2.0",
  "name": "Top-Servers.eu",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/591c984e3dcc4aa81a7f5326f7fac87381acc329246e40054f9ef16d5d6e1566/http%3A//Top-servers.eu\" rel=\"nofollow\">Top-servers.eu</a> persona"
}