新增css属性
position: -webkit-sticky;
position: sticky;
top: 0;
z-index: 100;
flex布局各种概念推荐网址:
https://www.cnblogs.com/nuannuan7362/p/5823381.html
新增css属性
position: -webkit-sticky;
position: sticky;
top: 0;
z-index: 100;
flex布局各种概念推荐网址:
https://www.cnblogs.com/nuannuan7362/p/5823381.html