使用styleUrls单个导入组件样式文件

[txone]

What problem does this feature solve?

减少打包体积大小，降低不必要的引入。

What does the proposed API look like?

styles.less 中使用 :root自定义主题

[zorro-bot]

Translation of this issue:

Use styleUrls single style file import component

What problem does this feature solve?

Packed volume of the size reduction, reduce unnecessary introduced.

What does the proposed API look like?

styles.less used: root custom-defined themes