JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="ootstrap/3.3.7/js/bootstrap.min.js"></script>
<script src="  https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>

<div class="container">
  <h1>Hello World!</h1>
  <p>Resize the browser window to see the effect.</p>
  <div class="row row-no-padding">
    <div class="col-sm-4" style="background-color:lavender;">.col-sm-4</div>
    <div class="col-sm-4" style="background-color:lavenderblush;">.col-sm-4</div>
    <div class="col-sm-4" style="background-color:lavender;">.col-sm-4</div>
  </div>
</div>

CSS

.row-no-padding {
  margin-left: 0;
  margin-right: 0;
 
  }