title: Replacement of a class of bootstrap 3 in bootstrap 4
body: <p>I want the replacement of classes col-sm-push-9 and col-sm-pull-3 of bootstrap-3 in bootstrap-4, can any one write classes in below html code in bootstrap 4?</p>
  
  <pre><code>    &lt;!DOCTYPE html&gt;
  &lt;html&gt;
  &lt;head&gt;
      &lt;meta name="viewport" content="width=device-width"&gt;
      &lt;title&gt;Bootstrap 4&lt;/title&gt;
      &lt;link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap.min.css"&gt;
  &lt;/head&gt;
  &lt;body&gt;
      &lt;div class="container"&gt;
          &lt;div class="row"&gt;
              &lt;div class="col-sm-3 col-sm-push-9" style="border: 1px solid #ccc"&gt;
                  Div 1
              &lt;/div&gt;
              &lt;div class="col-sm-9 col-sm-pull-3"  style="border: 1px solid #ccc"&gt;
                  Div 2
              &lt;/div&gt;
          &lt;/div&gt;
      &lt;/div&gt;
  &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>