getbootstrap.com gridview code example
Example 1: bootstrap grid class
col-12 col-sm-4 col-md-3 col-lg-12 col-xl-12
Example 2: .row bootstrap
.row{
display: flex;
flex-wrap: wrap;
margin-right: -15px;
margin-left: -15px;
}
col-12 col-sm-4 col-md-3 col-lg-12 col-xl-12
.row{
display: flex;
flex-wrap: wrap;
margin-right: -15px;
margin-left: -15px;
}