col 12 bootstrap code example
Example 1: col offset in bootstrap
.col-md-3 .offset-md-3
Example 2: .col-12 bootstrap
.col-12{
flex: 0 0 100%;
max-width: 100%;
}
Example 3: .row bootstrap
.row{
display: flex;
flex-wrap: wrap;
margin-right: -15px;
margin-left: -15px;
}