Examine source code of The Great War mod

{
  "theme": {
    "images": {
      "theme_frame": "greatwarbannerfinished.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#736262"
    }
  },
  "version": "2.0",
  "name": "The Great War mod",
  "manifest_version": 2,
  "description": "Show your support for The Great War by using our new persona!"
}