JSFiddle - React, Tailwind, and code Playground

by F315

HTML

<div class="padent">
    <div class="child"></div>    
</div>

CSS

.padent{
    position:relative;
    overflow:auto;
    width:100px;
    height:200px;
    background:red;
    z-index:1;
    }
    .child{
    position:absolute;
    width:50px;
    height:20px;
    background:green;
    top:50px;
    right:-20px;
    z-index:300;
    }