JSFiddle - React, Tailwind, and code Playground

HTML

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

CSS

div {
    background-color: rgba(147,128,108,.1);
}
.outer {
    width: 100%;
    height: 200px;
        
    display: flex;
    align-items: center;
    justify-content: center;
}
.inner {
    width: 50%;
    height: 50%;
}