JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>

CSS

div {
    height: 100px;
    border: 1px solid #888;
    background-image: radial-gradient(ellipse 50% 50% at top center, hsla(0, 0%, 0%, .17), hsla(0, 0%, 0%, .17) 100%, hsla(0, 0%, 0%, 0));
	background-repeat: none;
}