<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"> <h2>Create your snippet's HTML, CSS and Javascript in the editor tabs</h2> </div> </div><div class="container"> <div class="row"> <h2>Outdoor Siren</h2> </div> <p>A If you are planning to buy an evaporative air cooler, you must know how to install the cooler. <a href="https://www.comfyhome.com.au/cooling/evaporative-cooling">Ducted evaporative cooler</a> works on the principle of heat absorption by using the process of water evaporation. Evaporative systems offer many benefits over other cooling solutions. For more detailed information, you can visit us anytime.</p> </div>