<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="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<br><br>
<div class="container">
<div class="row text-center">
<div class="col">
<h1>Modal zoom from center</h1>
<p>First two examples already available in Bootstrap V4. It's super simple and just add class and it will convert as super side out the panel. Yes, It's Responsive. :)</p>
<p>To view more samples Visit <a href="https://bootsnipp.com/pradeep330">Here</a></a></p>
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModal2">
Launch demo modal zoom small
</button>
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModal3">
Launch demo modal zoom normal
</button>
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModal4">
Launch demo modal zoom large
</button>
</div>
</div>
</div>
<div class="modal fade" id="exampleModal2" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel2" aria-hidden="true">
<div class="modal-dialog modal-dialog-centered modal-dialog-zoom modal-sm" role="document">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalLabel">Modal sideout small</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">