<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>
<div class="container">
<div class="row">
<h1> Media CSS & Hacks </h1>
</div>
<div class="row">
<h3>Media Query CSS </h3>
<h3>All Browsers CSS hacks (IE9, IE10, IE11, MS Edge, Safari, Mozilla Firefox, Google Chrome ) </h3>
<h3>Mobile device css hacks (iphones)</h3>
</div>
<div class="row">
<p> Please find all css hack in CSS Tab </p>
</div>
</div>