JSFiddle - React, Tailwind, and code Playground

HTML

<div class="row">
  <div class="col-xs-7">
    <input type="text" class="form-control" placeholder="cat photo URL" required>
  </div>
</div>
<div class="col-xs-5">
  <button type="submit" class="btn btn-primary"><i class="fa fa-paper-plane"></i> Submit</button>
</div>