Examine source code of Hysteria Rainbow

{
  "theme": {
    "images": {
      "theme_frame": "FFHysteriaHeader.png"
    },
    "colors": {
      "frame": "#a69fd4",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Hysteria Rainbow",
  "manifest_version": 2,
  "description": "This design was created by James Cole of Hysteria Productions.\nIf you like this Persona, please visit <a href=\"https://outgoing.prod.mozaws.net/v1/63b4d889b7d2f66873e3ac131b27b2b6d6e1b21f0ef55170b0e6894a3c0b1db9/http%3A//www.hysteria.com.au\" rel=\"nofollow\">http://www.hysteria.com.au</a>"
}