<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"> <div class="row"> <h4>Responsive Utilities</h4> <p> Example of using Twitter Bootstrap 3's "responsive utilities" </p> <!-- see JS file for writing out size of window in class testp --> <p class="testp btn btn-success pull-right"></p> <p> <a href="http://bootsnipp.com/iframe/RAVmn" target="_blank">View Full Screen</a> </p> <div class="visible-lg"> <img src="http://i.imgur.com/FDAc22P.jpg" alt="" class="img-responsive img-rounded center-block"> <p class="text-center btn-danger"> Large devices Desktops (≥1200px) </p> </div> <div class="visible-md"> <img src="http://i.imgur.com/vlC1miF.jpg" alt="" class="img-responsive img-rounded center-block"> <p class="text-center btn-warning"> Medium devices Desktops (≥992px) </p> </div> <div class="visible-sm"> <img src="http://i.imgur.com/W9OwmLT.jpg" alt="" class="img-responsive img-rounded center-block"> <p class="text-center btn-info"> Small devices Tablets ( (≥768px)) </p> </div> <div class="visible-xs"> <img src="http://i.imgur.com/8UTzF72.jpg" alt="" class="img-responsive img-rounded center-block"> <p class="text-center btn-success"> Extra small devices Phones (<768px) </p> </div> <br><br> <p class="lead"> Resize your browser to see <strong>four</strong> separate images displayed, depending on width of screen. </p> </div> <!-- /.row --> </div> <!-- /.container -->

body{ background-color: #FFFFFF; color:#000000; } img{ padding:30px }

/* * How to detect browser width * Ref: http://www.surfingsuccess.com/jquery/window-width.html#.Uw1RiV6Lfx4 */ $(window).ready(function() { var wi = $(window).width(); $("p.testp").text('Initial screen width is: ' + wi + 'px.'); $(window).resize(function() { var wi = $(window).width(); $("p.testp").text('Width is currently: ' + wi + 'px.'); }); });