<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<link href="https://raw.githubusercontent.com/daneden/animate.css/master/animate.css" rel="stylesheet">
<div id="myCarousel" class="carousel slide carousel-fade" data-ride="carousel">
<div class="carousel-inner">
<div class="carousel-item active">
<div class="mask flex-center">
<div class="container">
<div class="row align-items-center">
<div class="col-md-7 col-12 order-md-1 order-2">
<h4>Present your <br>
awesome product</h4>
<p>Lorem ipsum dolor sit amet. Reprehenderit, qui blanditiis quidem rerum <br>
necessitatibus praesentium voluptatum deleniti atque corrupti.</p>
<a href="#">BUY NOW</a> </div>
<div class="col-md-5 col-12 order-md-2 order-1"><img src="https://i.imgur.com/NKvkfTT.png" class="mx-auto" alt="slide"></div>
</div>
</div>
</div>
</div>
<div class="carousel-item">
<div class="mask flex-center">
<div class="container">
<div class="row align-items-center">
<div class="col-md-7 col-12 order-md-1 order-2">
<h4>Present your <br>
awesome product</h4>
<p>Lorem ipsum dolor sit amet. Reprehenderit, qui blanditiis quidem rerum <br>
necessitatibus praesentium voluptatum deleniti atque corrupti.</p>
<a href="#">BUY NOW</a> </div>
<div class="col-md-5 col-12 order-md-2 order-1"><img src="https://i.imgur.com/duWgXRs.png" class="mx-auto" alt="slide"></div>
</div>
</div>