In this article I saw Bootstrap 4 Spacing Utility Classes, and he uses m-b-lg in className.
m-b-lg
className
3条回答 广开言路 (楼主) 2020-11-27 18:56 Basically its only works from 0 to 3. m-t-0, m-t-1, m-t-2, or m-t-3 0 讨论(0) 查看其它3个回答 发布评论: 提交评论 加载中... 验证码 看不清? 提交回复
Basically its only works from 0 to 3. m-t-0, m-t-1, m-t-2, or m-t-3