Examine source code of Dungeons & Dragons

{
  "theme": {
    "images": {
      "theme_frame": "DungensDradons.png"
    },
    "colors": {
      "frame": "#cfcbcb",
      "tab_background_text": "#030303"
    }
  },
  "version": "2.0",
  "name": "Dungeons & Dragons",
  "manifest_version": 2,
  "description": "The heroes of the classic 80's cartoon\nare here and ready for adventure"
}