Examine source code of US Soccer Flag

{
  "theme": {
    "images": {
      "theme_frame": "USSoccerFlag.png"
    },
    "colors": {
      "frame": "#080202",
      "tab_background_text": "#0d0a0a"
    }
  },
  "version": "2.0",
  "name": "US Soccer Flag",
  "manifest_version": 2,
  "description": "Show your love for Soccer and the US with the custom design US Soccer flag."
}