<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"> <div class="col-md-12"> <div class="alert alert-danger visible-lg" role="alert">File size: 750 KB <span class="badge pull-right">100%</span> </div> <div class="alert alert-warning visible-md" role="alert">File size: 355 KB <span class="badge pull-right">47% of original</span> </div> <div class="alert alert-info visible-sm" role="alert">File size: 239 KB <span class="badge pull-right">32% of original</span> </div> <div class="alert alert-success visible-xs" role="alert">File size: 55 KB <span class="badge pull-right">7.3% of original</span> </div> <img class="visible-lg img-responsive" src="https://s-media-cache-ak0.pinimg.com/736x/b6/0f/0c/b60f0c162628f686d7e889ec7bd54432.jpg" alt="" title="File size: 750 KB"> <img class="visible-md img-responsive" src="http://i.imgur.com/QEdZ1hn.png" alt="" title="File size= 355KB"> <img class="visible-sm img-responsive" src="http://i.imgur.com/Omi3tPE.png" alt="" title="File size= 239KB"> <img class="visible-xs img-responsive" src="http://i.imgur.com/9tp1KWz.png" alt="" title="File size= 55KB"> </div> </div> </div>