版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/bulma-prefers-dark/0.1.0-beta.1/bulma-prefers-dark.css
- https://cdn.bootcdn.net/ajax/libs/bulma-prefers-dark/0.1.0-beta.1/bulma-prefers-dark.css.map
- https://cdn.bootcdn.net/ajax/libs/bulma-prefers-dark/0.1.0-beta.1/bulma-prefers-dark.min.css