版本：5.2.1
- https://cdn.bootcdn.net/ajax/libs/foundation-essential/5.2.1/css/foundation.min.css
- https://cdn.bootcdn.net/ajax/libs/foundation-essential/5.2.1/js/foundation.min.js
- https://cdn.bootcdn.net/ajax/libs/foundation-essential/5.2.1/js/vendor/jquery.js
- https://cdn.bootcdn.net/ajax/libs/foundation-essential/5.2.1/js/vendor/modernizr.js