Examine source code of Sanctorum

{
  "theme": {
    "images": {
      "theme_frame": "3000x200px_albumbanner1.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#fcfcfc"
    }
  },
  "version": "2.0",
  "name": "Sanctorum",
  "manifest_version": 2,
  "description": "Sanctorum - metal band from England\n\n<a href=\"https://outgoing.prod.mozaws.net/v1/73d9fd3a2bcb619b32d98d29901a954e9f541950b9d3f4df964c7ffb3e323bf4/http%3A//www.sanctorum.co.uk\" rel=\"nofollow\">www.sanctorum.co.uk</a>"
}