Examine source code of FGCheader

{
  "theme": {
    "images": {
      "theme_frame": "Modern_Warfare_2header.jpg"
    },
    "colors": {
      "frame": "#f5050d",
      "tab_background_text": "#0cb7f5"
    }
  },
  "version": "2.0",
  "name": "FGCheader",
  "manifest_version": 2,
  "description": "FGC MW2"
}