JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="https://code.jquery.com/jquery-1.11.3.js"></script>
<div class='container row'>
  <article class='col-xs-12 col-sm-12 col-md-6'>
    <div class="container-box"></div>
  </article>
  <article class='col-xs-12 col-sm-12 col-md-6'>
    <div class="container-box"></div>
  </article>
  <article class='col-xs-12 col-sm-12 col-md-6'>
    <div class="container-box"></div>
  </article>
  <article class='col-xs-12 col-sm-12 col-md-6'>
    <div class="container-box"></div>
  </article>
  <article class='col-xs-12 col-sm-12 col-md-6'>
    <div class="container-box"></div>
  </article>
  <article class='col-xs-12 col-sm-12 col-md-6'>
    <div class="container-box"></div>
  </article>
</div>

CSS

.container
{
  width:100%;
}
.container article
{
  margin-bottom: 20px;
}
.container article:nth-child(even)
{
  width:100%;
  max-width: 568px;
  height: 150px;
  display:inline-block;
  padding-right: 17px;
}
.container article:nth-child(odd)
{
  width:100%;
  max-width: 568px;
  height: 100px;
  display:inline-block;
  padding-left: 17px;
}
.container-box
{
  background-color: #000;
  width:100%;
  height: 100%;
}