Examine source code of Pricer

{
  "manifest_version": 2,
  "name": "Pricer",
  "author": "Hermes Conrad",
  "version": "0.2",
  "description": "Create new menus for bizmania.ru",
  "icons": {
    "48": "icons/company.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://bizmania.ru/*"
      ],
      "css": [
        "css/pricer.css",
        "css/menu.css"
      ],
      "js": [
        "tools.js",
        "menu.js",
        "pricer.js",
        "base.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "img/arrow.png"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ad5de07f-8e66-4e9e-8cef-2593eca0ff47}"
    }
  }
}