<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 ----------> As a global <a href="https://irtubes.com/">specialty chemical distributors</a>, I.R.Tubes offers a wide range of specialty chemicals. We are specialty chemical suppliers, with wide-ranging expertise in the supply and distribution of specialty chemicals.