版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/nes.css/2.3.0/css/nes-core.css
- https://cdn.bootcdn.net/ajax/libs/nes.css/2.3.0/css/nes-core.css.map
- https://cdn.bootcdn.net/ajax/libs/nes.css/2.3.0/css/nes-core.min.css
- https://cdn.bootcdn.net/ajax/libs/nes.css/2.3.0/css/nes.css
- https://cdn.bootcdn.net/ajax/libs/nes.css/2.3.0/css/nes.css.map
- https://cdn.bootcdn.net/ajax/libs/nes.css/2.3.0/css/nes.min.css