📅 最后修改于: 2020-10-20 05:40:21 🧑 作者: Mango
在本章中，我们将研究CSS扩展。 CSS扩展可以用来增强网页的功能。下表列出了SASS中使用的一些CSS扩展-
| S. No. | CSS Extension & Description |
|---|---|
| 1 | Nested Rules
It is a way of combining multiple CSS rules within one another. |
| 2 | Referencing Parent Selectors: &
It is the process of selecting parent selector by using the & character. |
| 3 | Nested Properties
It allows nesting of properties into other properties which leads to grouping of another related code. |
| 4 | Placeholder Selectors
Sass supports placeholder selector using class or id selector by making use of @extend directive. |