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">
<button type="button" class="btn btn-info btn-circle btn-sm" data-toggle="modal" data-target="#editModal"><i class="fas fa-fw fa-pencil-alt"></i>Open</button>

<div class="modal fade" id="editModal" tabindex="-1" role="dialog" aria-labelledby="editModalLabel" aria-hidden="true">
  <div class="modal-dialog" role="document">
    <form method="post" action="xx">
      <div class="modal-content">
        <div class="modal-header">
          <h4 class="modal-title" id="editModalLabel">Edit</h4>
          <button type="button" class="close" data-dismiss="modal">&times;</button>
        </div>
        <div class="modal-body">
          //Modal Body
        </div>
        <div class="modal-footer">
          <button type="button" class="btn btn-default" data-dismiss="modal"><i class="fas fa-times" style="margin-right:5px"></i> Cancel</button>
          <button type="submit" name="submit" class="btn btn-success"><i class="fas fa-location-arrow " style="margin-right:5px"></i> Save</button>
        </div>
      </div>
    </form>
  </div>
</div>