JSFiddle - React, Tailwind, and code Playground

HTML

<div id="box" class="start"></div>

<div id="button">click</div>

CSS

.start{

    height:100px;
    width:100px;
    background: black;
    transition: all 2.0s linear;
    -webkit-transition: all 0.8s linear;
    -moz-transition: all 0.8s linear;
    -ms-transition: all 0.8s linear;
    -o-transition: all 0.8s linear;
}



.change{
    width: 200px;
    height: 200px;
    background:yellow;
}

#button{
    width: 80px;
    height: 20px;
    padding: 4px;
    margin: 5px;
    border:solid 1px black;
   background: grey;
    cursor: pointer;
    color: white;
}

JavaScript

$(function() {

    $('#change').click(function() {
        $('#box').addClass('change');
    });
});