摘要:```scss span { line-height: 20px; background-color: yellowgreen; &:empty { display: inline-block; width: 1px; height: 20px; } } ``` ```html ``` 阅读全文
posted @ 2019-12-20 19:59 _冰 阅读(478) 评论(0) 推荐(0) 编辑