JSFiddle - React, Tailwind, and code Playground

HTML

<div class="outer">
    Lorem ipsum dolor sit amet, consectetur adipisicing elit. In illum at consectetur nam rerum asperiores nemo fuga possimus explicabo similique soluta laborum tempore illo dicta deserunt eligendi obcaecati reiciendis laudantium.
    <div class="inner"></div>
</div>

CSS

.outer {
    position: relative;
    width: 200px;

    background-color: #ffc;
}

.inner {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;

    width: 100px;
    height: 100px;
    margin: auto;

    background-color: #fcc;
}