# 练习 7：组合选择器与伪类

## 目标

补齐后代选择器、子代选择器、`:hover`、`:first-child`。

## 文件

- [starter.html](/Volumes/Macintosh HD 1/home/front-end-example/02-css-layout/07-selectors-and-pseudo-classes/starter.html)
- [starter.css](/Volumes/Macintosh HD 1/home/front-end-example/02-css-layout/07-selectors-and-pseudo-classes/starter.css)
- [answer.html](/Volumes/Macintosh HD 1/home/front-end-example/02-css-layout/07-selectors-and-pseudo-classes/answer.html)
- [answer.css](/Volumes/Macintosh HD 1/home/front-end-example/02-css-layout/07-selectors-and-pseudo-classes/answer.css)