JSFiddle - React, Tailwind, and code Playground

by Cone

HTML

<body>
<div class="one">
    <div class="two">jk</div>
</div>
</body>

CSS

body, html {
    position:relative;
    z-index:1;
}
.one {
    position:relative;
    z-index:10;
    background:red;
    height:100px;
    width:100px;
}
.two {
    z-index:2;
}