JSFiddle - React, Tailwind, and code Playground

by poonia

HTML

<div class="outer">
    <div class="inner"></div>
</div>

CSS

.outer {
    position: absolute;
    top: 20px;
    left: 20px;
    height: 200px;
    width: 300px;
    border: 1px solid black;
    background: red;
    opacity: 0.5;
}

.inner {
    position: absolute;
    top: 20px;
    left: 20px;
    height: 100px;
    width: 250px;
    border: 1px solid black;
}