bootstrap tutorial

 

 

 

按钮： https://getbootstrap.com/docs/4.4/components/buttons/#button-tags

grid表格12阑珊：https://getbootstrap.com/docs/4.4/layout/grid/#auto-layout-columns

table表格：https://getbootstrap.com/docs/4.4/content/tables/

轮播图carousel：https://getbootstrap.com/docs/4.4/components/carousel/

icon：https://v3.bootcss.com/components/#glyphicons-examples