JSFiddle - React, Tailwind, and code Playground

HTML

<div class="parent">
    <div class="child">
     Some content.
    </div>
</div>

CSS

.parent {
    position: relative;
    margin-top: 50px;
    background: #000;
}
.child {
    position: absolute;
    top: 0;
    width: 200px;
    height: 200px;
    background: #000;
}