JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Bootstrap Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script> 
</head>
<body>
  <div class="col-md-12 col-sm-12 col-xs-12">
  
      <div class="col-md-4 col-sm-12 col-xs-12">
        <div class="pink">
        
        </div>
      </div>
      <div class="col-md-8 col-sm-12 col-xs-12">
        <div class="col-md-6 col-sm-6 col-xs-6">
          <div class="lightblue">

          </div>
        </div>
        <div class="col-md-6 col-sm-6 col-xs-6">
          <div class="lightblue">

          </div>
        </div>
    <div class="clearfix">
    
    </div>
    <div class="col-md-12 col-sm-12 col-xs-12">
       <div class="gray">
      
      </div>
    
    </div>
     
      </div>
  </div>
  
  <div class="col-md-12 col-sm-12 col-xs-12">
  <div class="col-md-8 col-sm-12 col-xs-12">
        <div class="col-md-6 col-sm-6 col-xs-6">
          <div class="lightblue">

          </div>
        </div>
        <div class="col-md-6 col-sm-6 col-xs-6">
          <div class="lightblue">

          </div>
        </div>
    <div class="clearfix">
    
    </div>
    <div class="col-md-12 col-sm-12 col-xs-12">
       <div class="gray">
      
      </div>
    
    </div>
     
      </div>
      <div class="col-md-4 col-sm-12 col-xs-12">
        <div class="pink">
        
        </div>
      </div>
      
  </div>
</body>

</html>

CSS

.pink
{
  background-color:#FFB5FB;
  height:230px;
}
.lightblue
{
  background-color:#C6F4FE;
  height:100px;
}
.gray
{
  background-color:#B3EDAD;
  height:100px;
  margin:30px 0px;
  
}