Examine source code of airsoft ww2 guns

{
  "theme": {
    "images": {
      "theme_frame": "headerthompson.PNG"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "airsoft ww2 guns",
  "manifest_version": 2,
  "description": "airsoft guns. Thompson m1a1 at top, mg42? on bottom. cyan background"
}