css 显示不完...

参考：https://www.cnblogs.com/Nyan-Workflow-FC/p/13852337.html

显示一行，显示不完...

          white-space: nowrap;
          text-overflow: ellipsis;
          overflow: hidden;

最多显示两行，显示不完...

      white-space: normal;
      display: -webkit-box;
      -webkit-box-orient: vertical;
      overflow: hidden;
      -webkit-line-clamp: 2;