JSFiddle - React, Tailwind, and code Playground

HTML

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

CSS

ul {
    overflow: auto;
    max-height: 70px;
    -webkit-column-count:3;
    -moz-column-count:3;
    column-count:3;
}