JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container">
    <span id="content">
        <p>Opera is a web browser and Internet suite developed by Opera Software. The browser handles common Internet-related tasks such as displaying web sites, sending and receiving e-mail messages, managing contacts, chatting on IRC, downloading files via BitTorrent, and reading web feeds. Opera is offered free of charge for personal computers and mobile phones.</p>
    </span>
</div>

CSS

#container {
    border: solid 1px #000;
    width: 600px;
    height: 250px;
    
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-box-pack: center;
    display: -moz-box;
    -moz-box-orient: vertical;
    -moz-box-pack: center;
    display: box;
    box-orient: vertical;
    box-pack: center;  
}

#text {
    float: left;
    vertical-align: middle;
}