JSFiddle - React, Tailwind, and code Playground

by Bhavik Bamania

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.3/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.3/js/bootstrap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div class="form-group">
  <input type="text" class="form-control">
</div>

CSS

.form-control:active,
.form-control:focus,
.form-control:focus:valid,
.form-control:focus:active.
.form-control:valid {
  background-color: #96d3ec!important;
  border-color: #96d3ec;
  color: white;
}

.form-control:focus:invalid {
background-color:white;
}