Examine source code of Maasangler.de

{
  "theme": {
    "images": {
      "theme_frame": "personasoben.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Maasangler.de",
  "manifest_version": 2,
  "description": "für die <a href=\"https://outgoing.prod.mozaws.net/v1/dc868b4e4a87eac7ed54b5bae95f957d052d8346e6444b7536ddf76f97817213/http%3A//maasangler.de\" rel=\"nofollow\">maasangler.de</a> seite"
}