JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<div class="container">
  <div class="row">
    <div class="col-xs-12"></div>    
    <div class="col-md-8 col-md-offset-2 col-sm-10 col-sm-offset-1 col-xs-12">
      <div class="row weird">
        <div class="col-xs-6"> hi this is content</div>
        <div class="col-xs-6"> some other content hello</div>
      </div>
    </div>    
    <div class="col-xs-12"></div>
  </div>
</div>

CSS

.row.weird::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translateX(-50%) translateY(-50%);
  width: 16px;
  height: 16px;
}