Examine source code of Successful shipping icon

{
  "manifest_version": 2,
  "name": "Successful shipping icon",
  "version": "1.0",
  "description": "The successful delivery icon is commonly used in e-commerce, logistics, order tracking applications, etc. to confirm that the goods have been successfully delivered to the recipient.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html",
    "default_title": "Click me!"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{abd1d2a3-aed6-4b9f-9ae8-fbc29769c18e}"
    }
  }
}