全栈学习笔记udemy-Angela-YuSection 7: CSS高级2. CSS Selectors本页总览2. CSS Selectors Group Selector Select both selectors Child Selector Descendant = Apply to a descendent of left side Chaining = Apply where all selectors are true combining combiners 练习 初始样式: 基本要求 不要动 HTML 只修改 HTML 实现要求: