JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap-theme.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<form id="myForm" method="post">
  <div class="container center_div">
    <div class="panel panel-default">
      <div class="row">
        <fieldset class="form-group">
          <label for="Forename">Forename</label>
          <input type="text" class="form-control" id="forename" placeholder="Forename" required>
        </fieldset>
        <fieldset class="form-group">
          <label for="Surname">Surname</label>
          <input type="text" class="form-control" id="surname" placeholder="Surname" required>
        </fieldset>
        <fieldset class="form-group">
          <label for="Contact Us">Contact Us</label>
          <input type="text" class="form-control" id="comments" placeholder="Comments" required>
        </fieldset>
        <div class="row">
          <div class "col-md-2">
            <button type="submit" class="btn btn-success">Submit</button>
          </div>
        </div>
      </div>
    </div>
</form>