<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 ----------> Get Free Themes provide <a href = "http://www.getfreethemes.com/wordpress-themes/corporate/ "> WordPress Themes for Corporate</a> websites. If you have any requirements regarding corporate themes contact us. For further details visit our website.