JSFiddle - React, Tailwind, and code Playground

HTML

<div id="shadow"></div>
<button >Click Me</button>

CSS

div {
    width: 100px;
    height: 100px;
    box-shadow: 5px 5px 3px 0 #CCCCCC;
    border: 1px solid green;
    transition: box-shadow 1s;
}

JavaScript

$('button').on('click', function(){
    $('#shadow').css('box-shadow', 'none');
})