JSFiddle - React, Tailwind, and code Playground

HTML

<p id="menu-open">open</p>
<p id="menu-close">close</p>

<div class="wrapper">test</div>

JavaScript

jQuery('#menu-open').click(function(){
    jQuery('.wrapper').css('box-shadow', '0 0 3px rgba(0,0,0,0.75)');
});
jQuery('#menu-close').click(function(){
    jQuery('.wrapper').css('box-shadow', '');
});