Examine source code of Daily Fun Facts

{
  "manifest_version": 2,
  "name": "Daily Fun Facts",
  "version": "1.0",
  "description": "Discover a new fun fact every time you click the extension icon. Perfect for curious minds!",
  "icons": {
    "48": "funfact_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Daily Fun Facts"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{2e38250c-c219-4f25-993f-331d7b458dba}"
    }
  }
}