class="col-sm-3">
                    <div class="wrap durations duration-600">
                        <div class="duration-example ms-600" data-hoverSelector=".duration-600" data-duration="600"><i class="fa fa-heart center-hack"></i></div>
                        <h3>600ms</h3>
                    </div>
                </div>
                <div class="col-sm-3">
                    <div class="wrap durations duration-1500">
                        <div class="duration-example ms-1500" data-hoverSelecto