JSFiddle - React, Tailwind, and code Playground

HTML

<ol>
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
<li>6</li>
<li>7</li>
<li>8</li>
</ol>

CSS

ol { 
    column-count: 2;
    -webkit-column-count: 2;
    -moz-column-count: 2;
}