版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/Modaal/0.4.4/css/modaal.css
- https://cdn.bootcdn.net/ajax/libs/Modaal/0.4.4/css/modaal.min.css
- https://cdn.bootcdn.net/ajax/libs/Modaal/0.4.4/js/modaal.js
- https://cdn.bootcdn.net/ajax/libs/Modaal/0.4.4/js/modaal.min.js