JSFiddle - React, Tailwind, and code Playground

HTML

<p>
    <span>Hello World</span>
</p>

CSS

p{
    text-align:center;
    height:200px;
    width:200px;
    border:1px black solid; 
    display:table;

}
span{
    vertical-align: middle;
    display:table-cell;
}