JSFiddle - React, Tailwind, and code Playground

by Keith Jeter

HTML

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/css/bootstrap.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
<row class="col-xs-12 outer_wrap nill">
  <div class="col-xs-6 col-sm-3 pannel">
    <div class="col-xs-12 pannel_inner">
      <h4>Title One</h4>
      <p>
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras placerat, dolor eu sagittis luctus, nibh orci tristique nibh, quis facilisis nisl dolor sed purus.<br/></br/>Suspendisse mollis pretium quam, et tempor sapien congue id. Nunc suscipit eros laoreet nisi placerat dapibus. Quisque tempus magna metus
      </p>
      <button class="btn btn-secondary col-xs-12">Button</button>
    </div>
  </div>
      <div class="col-xs-6 col-sm-3 pannel">
    <div class="col-xs-12 pannel_inner">
      <h4>Title One</h4>
      <p>
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras placerat, dolor eu sagittis luctus
      </p>
      <button class="btn btn-secondary col-xs-12">Button</button>
    </div>
  </div>
    <div class="col-xs-6 col-sm-3 pannel">
    <div class="col-xs-12 pannel_inner">
      <h4>Title One</h4>
      <p>
Suspendisse mollis pretium quam, et tempor sapien congue id. Nunc suscipit eros laoreet nisi placerat dapibus. Quisque tempus magna metus
      </p>
      <button class="btn btn-secondary col-xs-12">Button</button>
    </div>
  </div>
    <div class="col-xs-6 col-sm-3 pannel">
    <div class="col-xs-12 pannel_inner">
      <h4>Title One</h4>
      <p>
Suspendisse mollis pretium quam, et tempor sapien congue id. Nunc suscipit eros laoreet nisi placerat dapibus.
      </p>
      <button class="btn btn-secondary col-xs-12">Button</button>
    </div>
  </div>
</row>

CSS

.outer_wrap { 
    display: flex;
    background: #ffffff;
    flex-direction: row;
    justify-content: flex-start;
    border: solid 1px #ddd;
    padding: 15px;
    margin-bottom: 15px;
    -webkit-box-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
    padding-top: 15px;
    padding-bottom: 0;
    padding-left: -15px;
    padding-right: -15px;}


  
.pannel { padding: 15px; display: flex; flex-wrap: wrap; }
/* .pannel:after,
.pannel:before {
  display: flex;
} */

.pannel h4 { text-align: center; padding-top: 15px; padding-bottom: 15px; background: #eee; margin-left: -15px; margin-right: -15px; }

.pannel p { flex-grow: 1; }

.pannel_inner { background: pink; border: solid 1px green; padding-bottom: 15px; display: flex; flex-direction: column; }

/* .pannel_inner p { background: red; display: flex; flex: 1; } */

.pannel_inner { flex-grow: 1; }

.nill {
  padding: 0;
  margin: 0;
}

@media only screen and (max-width: 767px) {
  .pannel { width: 50%; }
}