<div class="container">
    <div class="row">
      <div class="col-md-1">.col-md-4</div>
      <div class="col-md-5">.col-md-2</div>
      <div class="col-md-6">.col-md-5</div>
    </div>

External CSS

  1. https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css

External JavaScript

This Pen doesn't use any external JavaScript resources.