📌  相关文章
📜  .row bootstrap - CSS 代码示例

📅  最后修改于: 2022-03-11 14:47:40.405000             🧑  作者: Mango

代码示例4
Extra small  .col-    <576px    
Small  .col-sm- ≥576px    
Medium .col-md- ≥768px    
Large  .col-lg-  ≥992px    
Extra large .col-xl- ≥1200px