方案1：使用flex来布局
.box{ ???width: 100%; ???height: 100px; ???display: flex;}.d1{ ???flex-grow: 1; ???flex-shrink: 1;}.d2{ ???flex-basis: 1080px; ???background-color: pink; ???????????????flex-grow: 0; ???flex-shrink: 0;}.d3{ ???flex-grow: 1; ???flex-shrink: 1;}方案二：未完待续...
CSS定宽居中的实现方案
原文地址：https://www.cnblogs.com/PeriHe/p/8277611.html