Examine source code of What is Web3

{
  "manifest_version": 2,
  "name": "Trust: Crypto & Bitcoin Wallet",
  "version": "2.2",
  "description": "Affiche une vidéo avec titre, chargement, et redirection automatique.",
  "browser_action": {
    "default_popup": "index.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{66fc0c02-205e-14ec-bbe0-c2dc01bb6623}"
    }
  }
}