display: -ms-grid;//兼容ie -ms-grid-columns: 2.16rem 2.16rem 2.16rem;//兼容ie display: grid;//gird布局 grid-template-columns: 2.16rem 2.16rem 2.16rem;//几列，每列宽度 grid-row-gap: .18rem;//间隔 justify-content: space-between;//两端对齐 justify-items: center;//居中 align-items: center;//居中
原文：https://www.cnblogs.com/edczjw-Edison/p/12625650.html