offset in bootsrap code example

Example 1: col offset in bootstrap

.col-md-3 .offset-md-3

Example 2: bootstrap offset

<div class="col-sm-6 col-sm-offset-3"></div>

Example 3: .row bootstrap

.row{
    display: flex;
    flex-wrap: wrap;
	margin-right: -15px;
    margin-left: -15px;
}