<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 ---------->
<!--Coded with love by Mutiullah Samim-->
<body>
<div class="container">
<div class="d-flex justify-content-center h-100">
<div class="image_outer_container">
<div class="green_icon"></div>
<div class="image_inner_container">
<img src="https://i.pinimg.com/originals/43/96/61/439661dcc0d410d476d6d421b1812540.jpg">
</div>
</div>
</div>
</div>
</body>