Examine source code of Battlefield Bastards

{
  "theme": {
    "images": {
      "theme_frame": "bfbpersona1.png"
    },
    "colors": {
      "frame": "#d43b3b",
      "tab_background_text": "#f2eaea"
    }
  },
  "version": "2.0",
  "name": "Battlefield Bastards",
  "manifest_version": 2,
  "description": "BFB is a copyrighted trademark and all other images are proerty of their respective owners."
}