Examine source code of NomadicSkull

{
  "theme": {
    "images": {
      "theme_frame": "persona.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "NomadicSkull",
  "manifest_version": 2,
  "description": "A design I did mostly for my self. The rest of my art can be found at <a href=\"https://outgoing.prod.mozaws.net/v1/d800a5b2caf7fbc803709e1df875428f3113a777965adde8d47949501f73425f/http%3A//nomad55.deviantart.com/\" rel=\"nofollow\">http://nomad55.deviantart.com/</a>"
}