<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/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-fluid xxx"> <div class="row"> <div class="col-lg-4"> <div class="col-lg-12"> <div class="bg">x</div> </div> <div class="col-lg-12"> <div class="bg">x</div> </div> </div> <div class="col-lg-4"> <div class="bg">x</div> </div> <div class="col-lg-4"> <div class="col-lg-12"> <div class="bg">x</div> </div> <div class="col-lg-12"> <div class="bg">x</div> </div> </div> </div> <div class="row"> <div class="col-lg-4"> <div class="col-lg-12"> <div class="bg">x</div> </div> <div class="col-lg-12"> <div class="bg">x</div> </div> </div> <div class="col-lg-4"> <div class="bg">x</div> </div> <div class="col-lg-4"> <div class="col-lg-12"> <div class="bg">x</div> </div> <div class="col-lg-12"> <div class="bg">x</div> </div> </div> </div> </div>

.xxx{width:1920px;} .col-lg-4{height:400px;} .col-lg-12{height:50%;} .bg{background:#000;width:100%;height:100%;} [class*="col-"] { padding-bottom:1px; }