s="row clearfix">
            <div class="col-md-3">
                <div class="font-bold col-red">col-red</div>
            </div>
            <div class="col-md-3">
                <div class="font-bold col-pink">col-pink</div>
            </div>
            <div class="col-md-3">
                <div class="font-bold col-purple">col-purple</div>
            </div>
            <div class="col-md-3">
                <div class="font-bold col-deep-purple">col-deep-purple</div>
            </div>
          