JSFiddle - React, Tailwind, and code Playground

HTML

<html>
    <body>
        <div class="button">Click</div>
        <div style="width:400px;height:100px;margin-top:0px; display:none; background:#999999" class="class1">
            rgergrgreg<br/>dygdfuyefgyeg<br/>dygdfuyefgyeg<br/>dygdfuyefgyeg
            </div>
       
    </body>
</html>

CSS

.button{background:red;}

JavaScript

$(document).ready(function() {
    $('.button').click(function() {
        $('.class1').slideToggle();
    });
});