JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    
    <li>content</li>
    <li>content</li>
     <li>content</li>
    
    
</ul>

CSS

html, body, ul{
    width:100%;
    height:100%;
    padding:0;
    margin:0;
}
body{
    position:fixed;
    text-align:center;
}
ul{
    display:table;
    list-style:none;
}
ul li{
    display:table-row;
    margin:0 auto;
}