<div class="col-sm-6 col-md-3">
<div class="thumbnail">
<img src="http://www.javabeat.net/wp-content/uploads/2014/05/dummy_image2-300x300.jpg" alt="my_image1">
</div>
<div class="caption">
<h3> Second Image </h3>
<p> The Bootstrap is most popular front end framework for creating websites and web applications.
Bootstrap is a powerful front end framework which makes faster and easier web development. </p>
<a href="#" class="btn btn-success" role="button">read more</a></p>
</div>
</div>