JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-2.2.4.min.js"></script>
<button id="myBtn" class="btn btn-default btn-lg myBtn" style="background: #ef332d; color: #fff;" type="button" data-uid="IeUtIMnV0V1JpQlU">Procced</button>

CSS

.myclass{
  background-color:green !important;
}

JavaScript

$( "#myBtn" ).click(function() {

$(this).addClass('myclass');

localStorage.setItem('clicked', '1');

});



if(localStorage.getItem("clicked") != null){

$("#myBtn").addClass('myclass');


}