<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<div class="container">
<div class="row">
<div class="col-md-12">
<!--card deck class-->
<div class="card-deck">
<div class="card bg-primary">
<div class="card-header">
<h4 class="card-title">Card Title</h4>
</div>
<div class="card-body">
<p class="card-text">Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.</p>
</div>
<div class="card-footer">
<a href="#" class="card-link text-white">Card Link</a>
</div>
</div>
<div class="card bg-danger">
<div class="card-header">
<h4 class="card-title text-white">Card Title</h4>
</div>
<div class="card-body">
<p class="card-text">Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.</p>
</div>
<div class="card-footer">
<a href="#" class="card-link text-white">Card Link</a>
</div>
</div>
<div class="card bg-warning">
<div class="card-header">
<h4 class="card-title text-white">Card Title</h4>
</div>
<div class="card-body">
<p class="card-text">Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.</p>
</div>
<div class="card-footer">
<a href="#" class="card-link text-white">Card Link</a>
</div>
</div>
<div class="card bg-info">
<div class="card-header">
<h4 class="card-title text-white">Card Title</h4>
</div>
<div class="card-body">
<p class="card-text">Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.</p>
</div>
<div class="card-footer">
<a href="#" class="card-link text-white">Card Link</a>
</div>
</div>
</div>
</div>
</div>
</div>