JSFiddle - React, Tailwind, and code Playground

by fainz777

HTML

<div>Rainbow Border</div>

CSS

div {
    margin: 50px;
    padding: 7px;
    box-shadow: 0 0 1px 2px #808,
                0 0 2px 4px #00f,
                0 0 3px 6px #08f,
                0 0 4px 8px #0f0,
                0 0 5px 10px #ff0,
                0 0 6px 12px #f80,
                0 0 7px 14px #c00;   
}