JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li>List 1</li>
    <li>List 2</li>
    <li>List 3</li>
    <li>List 4</li>
    <li>List 5</li>
    <li>List 6</li>
    <li>List 7</li>
    <li>List 8</li>
    <li>List 9</li>
    <li>List 10</li>
    <li>List 11</li>
</ul>

CSS

ul {
    -webkit-column-count: 2;
     -moz-column-count: 2;
     -o-column-count: 2;
    column-count: 2;
}