Examine source code of geeart

{
  "theme": {
    "images": {
      "theme_frame": "Geeart.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#030303"
    }
  },
  "version": "2.0",
  "name": "geeart",
  "manifest_version": 2,
  "description": "geeart free photoshop stuff at <a href=\"https://outgoing.prod.mozaws.net/v1/31cbf63e385affe25a0400771a890b1844243eb55939d5e0ccfa4f6e1d1016a6/http%3A//geeart.free.fr\" rel=\"nofollow\">http://geeart.free.fr</a>"
}