JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/css/bootstrap.min.css">
<div class="row">
<div class="col-md-12">
  <h2>test</h2>
  <div class="headline-date">Tuesday
    <button type="button" class="btn btn-primary pull-right">
      <i class="fa fa-user-plus " aria-hidden="true"></i>Call
    </button>
  </div>
</div>
</div>
<div class="row">
  <div class="col-md-12 ">
    <!-- members table -->
    <div class="col-md-8">
      1
    </div>

    <div class="col-md-4">
      2
    </div>

  </div>
</div>

CSS

.col-md-8 {
  border: 1px solid red;
}

.col-md-4 {
  border: 1px solid blue;
}

.headline-date { 
  margin-bottom: 30px;
}