JSFiddle - React, Tailwind, and code Playground

HTML

<div id ="page1" class="page" style="visibility:visible">
 some text some text some text some text some text some text some text some text some text some text some text some text some text some text some text some text some text some text 
 </div>

CSS

html, body {
    height:100%;
}
#page1 {
    position:absolute;
    top:50%;
    right:0;
    left:0;
    background:#ccc;
    width:200px;
    margin:-50px auto 0 auto;
}