title: make div background image responsive with bootstrap 3
body: <p>How make div with background image responsive with bootstrap 3  ??</p>
  
  <p>Is it possible with img-responsive class in bootstrap 3 ??</p>
  
  <p>My div is empty like below:</p>
  
  <pre><code>&lt;div class="row"&gt;
      &lt;div class="col-xs-12 col-sm-12 col-md-12 col-lg-12"&gt;
          &lt;div class="workflowstep workflowstep1 img-responsive"&gt;&amp;nbsp;
          &lt;/div&gt;
          &lt;div class="workflowstep workflowstep2 img-responsive"&gt;&amp;nbsp;
          &lt;/div&gt;
          &lt;div class="workflowstep workflowstep3 img-responsive"&gt;&amp;nbsp;
          &lt;/div&gt;
          &lt;div class="workflowstep workflowstep4 img-responsive"&gt;&amp;nbsp;
          &lt;/div&gt;
          &lt;div class="workflowstep workflowstep5 img-responsive"&gt;&amp;nbsp;
          &lt;/div&gt;
          &lt;div class="workflowstep workflowstep6 img-responsive"&gt;&amp;nbsp;
          &lt;/div&gt;
      &lt;/div&gt;
  &lt;/div&gt;
  </code></pre>