<div class="my-element"></div>
.my-element {
	background: linear-gradient(45deg, darkred 30%, crimson);
}

/* Presentational styles */
.my-element {
  width: 250px;
  height: 250px;
}

External CSS

  1. https://codepen.io/web-dot-dev/pen/gOgYqvz.css

External JavaScript

This Pen doesn't use any external JavaScript resources.