Examine source code of Modelbrouwers.nl

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_Modelbrouwers.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Modelbrouwers.nl",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/b5b43512aed21eb633dd357e8d0220b29e454da8a8c9606c683fa6f9e57df51b/http%3A//Modelbrouwers.nl\" rel=\"nofollow\">Modelbrouwers.nl</a> specialized in model making materials and more"
}