解决css部分border被圆角切掉之后圆角的边框消失问题

问题

症状大概是这个样子：
​​文章源自浅海拾贝-https://blog.terwergreen.com/solve-the-disappearance-of-the-frame-of-the-rounded-corner-after-the-css-part-of-the-border-is-cut-off-by-the-rounded-corner-z5jex4.html

解决办法

给当前设置 border​ 和 border-radius​ 属性的元素加：文章源自浅海拾贝-https://blog.terwergreen.com/solve-the-disappearance-of-the-frame-of-the-rounded-corner-after-the-css-part-of-the-border-is-cut-off-by-the-rounded-corner-z5jex4.html

overflow: auto;

‍文章源自浅海拾贝-https://blog.terwergreen.com/solve-the-disappearance-of-the-frame-of-the-rounded-corner-after-the-css-part-of-the-border-is-cut-off-by-the-rounded-corner-z5jex4.html