Examine source code of CearaSportingClub

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "CearaSportingClub",
  "manifest_version": 2,
  "description": "Theme representing the best soccer team from Ceara (Ceara Sporting Club). To learn more about the glorious Vozão (nickname), visit <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/228d79f8097f7ac662aa8e5da315351b1fb4aa8d31d7ebff88f199579c92a785/http%3A//www.cearasc.com\">www.cearasc.com</a> and/or follow updates on Twitter @CearaSC\n\nOBS: Para visualizar o tema por completo, sugiro que deixe a barra de favoritos ativa"
}