JSFiddle - React, Tailwind, and code Playground

HTML

<div style="clear:both; height:100px;"></div>
<span>1</span>

CSS

span
{-moz-border-radius: 20px;
    border-radius: 20px;
border-color:black;
    background-color:black;
color:white;
    padding-left:15px;
    padding-right:15px;
    padding-top:10px;
    padding-bottom:10px;
    font-size:1.3em;
}