JSFiddle - React, Tailwind, and code Playground

HTML

<div>shadow demo</div>

CSS

body { 
  padding: 20px;
}
div {
    background: #f4f4f4;
box-shadow:         0 -3px 3px -3px red, 
                    3px 0px 3px -3px blue, 
                    -3px 0px 3px -3px black;
}