我想在移动视图中只有一个图块，而不是三个图块。如何在移动视图中做到这一点？

Question

<div class='row'>
    <div class='col-md-8'>
      <div class="carousel slide media-carousel" id="media">
        <div class="carousel-inner">
          <div class="item  active">
            <div class="row">
              <div class="col-md-4">
                <a class="thumbnail" href="#"><img alt="" src="http://placehold.it/150x150"></a>
              </div>          
              <div class="col-md-4">
                <a class="thumbnail" href="#"><img alt="" src="http://placehold.it/150x150"></a>
              </div>
              <div class="col-md-4">
                <a class="thumbnail" href="#"><img alt="" src="http://placehold.it/150x150"></a>
              </div>        
            </div>
          </div>
          <div class="item">
            <div class="row">
              <div class="col-md-4">
                <a class="thumbnail" href="#"><img alt="" src="http://placehold.it/150x150"></a>
              </div>          
              <div class="col-md-4">
                <a class="thumbnail" href="#"><img alt="" src="http://placehold.it/150x150"></a>
              </div>
              <div class="col-md-4">
                <a class="thumbnail" href="#"><img alt="" src="http://placehold.it/150x150"></a>
              </div>        
            </div>
          </div>
          <div class="item">
            <div class="row">
              <div class="col-md-4">
                <a class="thumbnail" href="#"><img alt="" src="http://placehold.it/150x150"></a>
              </div>          
              <div class="col-md-4">
                <a class="thumbnail" href="#"><img alt="" src="http://placehold.it/150x150"></a>
              </div>
              <div class="col-md-4">
                <a class="thumbnail" href="#"><img alt="" src="http://placehold.it/150x150"></a>
              </div>      
            </div>
          </div>
        </div>
        <a data-slide="prev" href="#media" class="left carousel-control">‹</a>
        <a data-slide="next" href="#media" class="right carousel-control">›</a>
      </div>                          
    </div>
  </div>
</div>

我希望在移动视图中只有一个图块，而不是三个图块。如何在移动视图中进行操作。任何帮助表示赞赏。预先感谢...

我希望在移动视图中只有一个图块，而不是三个图块。如何在移动视图中进行操作。任何帮助表示赞赏。预先感谢