JSFiddle - React, Tailwind, and code Playground

by PhilQ

HTML

<div></div><div></div>

SCSS

div:nth-child(1) {
  background-color: rgba(255, 0, 0, 0.5);
}
div:nth-child(2) {
  background-color: rgba(0, 0, 255, 0, 0, 0.5);
}