JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <div class="info">Post your text here ;)</div>
</div>

CSS

.info {
    width: 300px;
    height: 40px;
    position:absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    text-align:center;
    color:white;
    opacity:0.75;
    background-color: #000; /*-- Specify to your liking on background color --*/
    line-height: 40px;
    vertical-align: middle;
}