<body> <div class="row"> <div class="col-lg-6 black"></div> <div class="col-lg-6 red"></div> </div> <div class="row"> <div class="col-lg-6 black"></div> </div> How to raise the last black block, what would have turned out a kind of square divided by color in half? The left side is black, the second is red. Thank. 
