JSFiddle - React, Tailwind, and code Playground

HTML

<body>


<div id="particle-js"></div>
</body>

CSS

div {
    width: 100px;
    height: 100px;
}

.container {
    position: absolute;
    background-color: blue;
    z-index: 9999;
}

#particle-js {
    position: absolute;
    background-color: red;
}