Examine source code of The Sniper Clan

{
  "theme": {
    "images": {
      "theme_frame": "Unbenannt-2.jpg"
    },
    "colors": {
      "frame": "#5552ba",
      "tab_background_text": "#d11e1e"
    }
  },
  "version": "2.0",
  "name": "The Sniper Clan",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/d0306f343d4af4f264db9e4164a9e59e53198600442ed8fa1d3d525936e0aff7/http%3A//www.thesniperclan.org\" rel=\"nofollow\">www.thesniperclan.org</a>"
}