Examine source code of indetectables

{
  "theme": {
    "images": {
      "theme_frame": "soyindetectable.jpg"
    },
    "colors": {
      "frame": "#050505",
      "tab_background_text": "#f0f5f1"
    }
  },
  "version": "2.0",
  "name": "indetectables",
  "manifest_version": 2,
  "description": "theme de firefox para la comunidad de <a href=\"https://outgoing.prod.mozaws.net/v1/6ae1824f5eb905c990a2a77218edb1f45475ab7b0fb8b27dfc612c79105f9797/http%3A//indetectables.net\" rel=\"nofollow\">indetectables.net</a> foro dedicado a seguridad informatica"
}