           <p class="lead">The rows &amp; columns of the world famous Bootstrap grid speak for themselves.</p>
            <div class="row">
                <div class="col-sm-6">
                    6
                </div>
                <div class="col-6">
                    <div class="card my-1 bg-light">6</div>
                </div>
                <div class="col-sm-5">
                    5
                </div>
                <div class="col-7">
                    <div class="card my-1">7</di