JSFiddle - React, Tailwind, and code Playground

by sfoster

HTML

<div class="box"></div>

CSS

:root {
  --foo: 2px 2px red, 5px 5px blue;  
}
.box { 
  box-shadow: var(--foo), -1px -1px green;
  width: 100px; height: 100px;
}