JSFiddle - React, Tailwind, and code Playground
by Dan Schultz
HTML
<div class="gradient"></div>
CSS
.gradient {
background-image: radial-gradient(50% 50% at 50% calc(50% + 20px), rgba(0, 0, 0, 0), #000000);
width: 250px;
height: 150px;
background-color: red;
}