<div class="a col-xs-4">A Kutusu</div>
<div class="b col-xs-4">B Kutusu</div>
<div class="c col-xs-4">C Kutusu</div>
div.a{background-color:#3498db}
div.b{background-color:#e74c3c}
div.c{background-color:#1abc9c}
div{color:white;padding:40px 0;}

External CSS

  1. https://maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css

External JavaScript

This Pen doesn't use any external JavaScript resources.