Examine source code of Soccer Quotes Extension

{
  "manifest_version": 2,
  "name": "Soccer Quotes Extension",
  "version": "1.0",
  "description": "Displays soccer quotes when the button is clicked.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{fa35abe8-2ac9-4c98-b242-ab1110d8303d}"
    }
  }
}