Examine source code of CerealKillaz.org

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_ck_multi.png"
    },
    "colors": {
      "frame": "#23eb55",
      "tab_background_text": "#36de1d"
    }
  },
  "version": "2.0",
  "name": "CerealKillaz.org",
  "manifest_version": 2,
  "description": "Firefox persona for the <a href=\"https://outgoing.prod.mozaws.net/v1/de0305d5b24a465aaa7da9695f2933cc9a12bac15500a6f22128a557c3a12d4e/http%3A//CerealKillaz.org\" rel=\"nofollow\">CerealKillaz.org</a> MTGO clan site."
}