JSFiddle - React, Tailwind, and code Playground

HTML

<div>hi</div>

CSS

div{
  position: relative;
  top: 0px;
  left: 0px;
    height:90PX;
    width:90PX;
    text-align:center;
    border:1px solid silver;
    display: table-cell;
    vertical-align:middle;
}