Examine source code of Canva Browser Extension

{
  "manifest_version": 2,
  "name": "Canva Browser Extension",
  "version": "1.0",
  "description": "Quick access to Canva tools and designs directly from your browser.",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7571cb0b-7d1b-40e1-a717-38c6f4018b20}"
    }
  }
}