JSFiddle - React, Tailwind, and code Playground

by gRoberts

HTML

<ul>
  <li>-</li>
  <li>-</li>
  <li>-</li>
  <li>-</li>
  <li>-</li>
  <li>-</li>
  <li>-</li>
  <li>-</li>
  <li>-</li>
  <li>-</li>
  <li>-</li>
  <li>-</li>
  <li>-</li>
  <li>-</li>
  <li>-</li>
</ul>

CSS

li:nth-child(5n+4),
li:nth-child(5n+10),
li:nth-child(10n+5){
  background: red;
}