JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li>1.1</li>
    <li>1.2
        <ul>
            <li>2.1</li>
            <li>2.2</li>
        </ul>
    </li>
</ul>

CSS

li{
    width: 20px;
    margin-left:10px;
}

JavaScript

$('ul, ul *').css('border','1px solid blue');