<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="container"> <!-- Start Row --> <div class="row"> <div class="col-sm-3" style="background-color:lavender;">.col-sm-3</div> <div class="col-sm-6" style="background-color:lavenderblush;">.col-sm-6</div> <div class="col-sm-3" style="background-color:lavender;">.col-sm-3</div> </div>