推荐优先使用flex布局
阮一峰大神对flex弹性布局的整理:http://www.ruanyifeng.com/blog/2015/07/flex-grammar.html
阮一峰大神对grid网格布局的整理:http://www.ruanyifeng.com/blog/2019/03/grid-layout-tutorial.html
简化布局的方式:http://www.ruanyifeng.com/blog/2020/08/five-css-layouts-in-one-line.html