Examine source code of Chrestonim

{
  "theme": {
    "images": {
      "theme_frame": "CHRPersona3.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#702e06"
    }
  },
  "version": "2.0",
  "name": "Chrestonim",
  "manifest_version": 2,
  "description": "Chrestonim SciFantasy RPG Persona (<a href=\"https://outgoing.prod.mozaws.net/v1/79ca6c46a4684fb8e04a14ab157f53e90b61590ca7ec10e7c857ca42d75ec732/http%3A//www.chrestonim.de\" rel=\"nofollow\">www.chrestonim.de</a>)"
}