/* Copyright (c) 2025 by Pavel Boytchev (https://codepen.io/boytchev/pen/YPXJgLd) */
body {
  overflow: hidden;
  margin: 0;
}

#upper {
	z-index: 1;
	filter: blur(5px) brightness(200%);
	mix-blend-mode: screen;
}

canvas {
	position: absolute;
	left: 0;
	top: 0;
}