JSFiddle - React, Tailwind, and code Playground

HTML

<div id="box">Test</div>
<button id="button">Test</button>

CSS

#box {
    width: 250px;
    height: 250px;
    background-color: black;
    color: white;
    position: absolute;
    top: 200px;
    display: none;
}

#button {
    position: absolute;
    top: 450px;
}
}

JavaScript

$('#button').click(function () {
   $('#box').slideToggle();
    $('#box').animate({
        top: 0
   },400);
   return false;
});