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-1.12.2.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
  <div class="row">
    <div class="col-md-3 col-xs-12">
        <div class="thumbnail">
            <div class="panel">
                <h3>My First Post</h3>
                <p>This is my first post</p>
            </div>
            <p><a class="btn btn-success btn-sm" rel="#">Read Online</a></p>
        </div>
    </div>
     <div class="col-md-3 col-xs-12">
        <div class="thumbnail">
            <div class="panel">
                <h3>My Second Post</h3>
                <p>This is my second post</p>
            </div>
            <p><a class="btn btn-success btn-sm" rel="#">Read Online</a></p>
        </div>
    </div>
  </div>

CSS

.panel{box-shadow:none;}