版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/cleanslate/0.10.1/cleanslate.css
- https://cdn.bootcdn.net/ajax/libs/cleanslate/0.10.1/cleanslate.min.css
- https://cdn.bootcdn.net/ajax/libs/cleanslate/0.10.1/cleanslate.min.css.map