JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
<script src="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">

<div id="content" class="container">
  <div class="card">
    <div class="card-header bg-dark">
      <ul id="ActionNav" class="nav nav-tabs bg-dark card-header-tabs"
        role="tablist">
        <li class="nav-item">
          <a id="about-tab" class="nav-link active" href="#about"
             data-toggle="tab"
             role="tab" aria-controls="about"
             aria-selected="true">Home</a>
        </li>
        <li  class="nav-item">
          <a id="training-tab" class="nav-link" href="#training"
             data-toggle="tab"
             role="tab" aria-controls="training"
             aria-selected="false">HPC Training</a>
        </li>
      </ul>
    </div>
    <div class="card-body">
      <div class="tab-content">
        <div class="tab-pane fade show active" id="about" role="tabpanel"
           aria-labelledby="about-tab">
          <h2 class="card-title">Training</h2>
          <p class="card-text">first paragraph</p>
          <p class="card-text">second paragraph</p>
        </div>
      </div>
      <div class="tab-pane fade" id="training" role="tabpanel"
         aria-labelledby="training-tab">
        <h2 class="card-title">Training Opportunities</h2>

        <p class="card-text">training 1</p>
        <p class="card-text">training 2</p>
      </div>
    </div>
  </div>

</div>