CSS 代码: /*offset-x | offset-y | color*/box-shadow: 60px -16px teal;/*offset-x | offset-y | blur-radius | color*/box-shadow: 10px 5px 5px black;/*offset-x | offset-y | blur-radius | spread-radius | color*/box-shadow: 2px 2px 2px 1px rgba(0, 0, 0, 0.2);/*inse...