JSFiddle - React, Tailwind, and code Playground

HTML

<div id="blok"></div>
<div id="blok-1"></div>

CSS

#blok, #blok-1{
    position: absolute;
}

#blok {
    background: red;
    width:100px;
    height: 200px;
    margin: 0 auto;
    z-index: 2;
    border:1px solid;
}
#blok-1 {
    background: blue;
    width: 150px;
    height: 300px;
    margin: 0 auto;
    z-index: 1;
    border:1px solid;
}