Examine source code of Moza+

{
  "manifest_version": 2,
  "name": "Moza+",
  "version": "0.0.2resigned1",
  "description": "A tool for mozanaplo",
  "icons": {
    "48": "icons/moza.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.mozanaplo.hu/jegy.php*"
      ],
      "js": [
        "jquery.js",
        "m_atlag.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{1766986e-083b-4191-83b5-ac278eff591b}"
    }
  }
}