JSFiddle - React, Tailwind, and code Playground

HTML

<div class="box">
    <div class="chan-dong"></div>
</div>

CSS

body {
            background-color: #cccccc;
        }
        .box {
            position: fixed;
            top: 50%;
            left: 50%;
        }
        .chan-dong {
            cursor: pointer;
            width: 100px;
            height: 100px;
            background:...