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>
</ul>

CSS

li:first-child { color:lime; }
li + li + li + li + li +li { color:pink; }