Examine source code of wrc-club.ch

{
  "theme": {
    "images": {
      "theme_frame": "personas_header_1920_lq_1.jpg"
    },
    "colors": {
      "frame": "#999797",
      "tab_background_text": "#00ff00"
    }
  },
  "version": "2.0",
  "name": "wrc-club.ch",
  "manifest_version": 2,
  "description": "presented by\nWorld Rally Championship Club Switzerland\n\nfrom rally...\n...to road!"
}