JSFiddle - React, Tailwind, and code Playground

by Manna

HTML

<div class="container">
    <div class="row"> 
        <div class="center"></div>
    </div>
</div>

CSS

html, body {
    height: 100%;
}
body {
    margin: 0;
}
.container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.row {
    width: auto;
    border: 1px solid blue;
}
.center {
    background-color: red;
    width: 120px;
    height: 120px;
    text-align: center;
}