Examine source code of Arcane 1

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_Arcane.jpg"
    },
    "colors": {
      "frame": "#ab9595",
      "tab_background_text": "#eff2f1"
    }
  },
  "version": "2.0",
  "name": "Arcane 1",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/25387c62714cc08211bb6e7314f40812eff631cc331f12f3258f4d95a8707477/http%3A//www.arcane-band.com\" rel=\"nofollow\">www.arcane-band.com</a>"
}