Examine source code of Pharmindex

{
  "manifest_version": 2,
  "name": "Wyszukiwarka Pharmindex",
  "version": "1.1",
  "description": "Wyszukiwarka pozwala na wyszukanie leków w bazie Pharmindex.",
  "icons": {
    "16": "icons/phx_16.png",
    "32": "icons/phx_32.png",
    "48": "icons/phx_48.png",
    "96": "icons/phx_96.png",
    "128": "icons/phx_128.png"
  },
  "permissions": [
    "menus",
    "contextMenus",
    "activeTab",
    "search"
  ],
  "browser_action": {
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8e455097-4456-4ea4-b6b5-2ecc4855bb23}"
    }
  }
}