title: overlapping images one over another in bootstrap
body: <p>I want to overlap the two images such that the bottom image comes up to the top image.
  Here is the code</p>
  
  <pre><code>&lt;html lang="en"&gt;
      &lt;head&gt;
          &lt;title&gt;Bootstrap Example&lt;/title&gt;
          &lt;meta charset="utf-8"&gt;
          &lt;meta name="viewport" content="width=device-width, initial-scale=1"&gt;
          &lt;link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"/&gt;
          &lt;script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.0/jquery.min.js"&gt;&lt;/script&gt;
          &lt;script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"&gt;&lt;/script&gt;
          &lt;style&gt;
              .col-md-6{
              margin: 1px; 
              }
          &lt;/style&gt;
      &lt;/head&gt;
      &lt;body&gt;
          &lt;div class="container-fluid"&gt;
              &lt;div class="row"&gt;
                  &lt;div class="col-md-6"&gt;&lt;img src="top-header-1.png"&gt;&lt;/div&gt;
                  &lt;div class="col-md-6"&gt;&lt;img src="Base-BG_4.png"&gt;&lt;/div&gt;
              &lt;/div&gt;
          &lt;/div&gt;
      &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>
  
  <p>here is the attached screenshot</p>
  
  <p><a href="https://i.stack.imgur.com/nZvW7.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/nZvW7.png" alt="enter image description here"></a></p>
  
  <p>I want to be like this</p>
  
  <p><a href="https://i.stack.imgur.com/o2uAt.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/o2uAt.jpg" alt="enter image description here"></a></p>