JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>

CSS

div {
    width:80px; height:110px;
    background:#3183bd;
    -moz-box-shadow: inset 1em 1em 1em -1em #111;
    -webkit-box-shadow: inset 1em 1em 1em -1em #111;
    box-shadow: inset 1em 1em 1em -1em #111;
}