<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="red"> red </div> <div class="yellow"> yellow </div> <div class="green"> green </div>

div{ height:100px; width:100px; border:1px solid black; position:absolute; } .red{ background-color:red; } .yellow{ background-color:yellow; left:20px; top:20px; } .green { background-color:green; left:40px; top:40px; }