Examine source code of Confetti Party

{
  "manifest_version": 3,
  "name": "Confetti Party",
  "description": "Confetti all over the screen at the touch of a button.",
  "version": "2.0",
  "homepage_url": "https://github.com/keramitsis/confetti-party-webextension",
  "icons": {
    "16": "icons/party-face-16.png",
    "48": "icons/party-face-48.png",
    "128": "icons/party-face-128.png"
  },
  "permissions": [
    "scripting",
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c8b978bd-1417-4655-a1ba-308fc4c81f35}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "action": {
    "default_icon": "icons/party-face-32.png",
    "default_title": "Confetti",
    "default_popup": "popup/confetti_popup.html"
  }
}