All Colours

by Scott Kaye

CSS

body {
  background: linear-gradient(90deg, #f00, #ff0, #0f0, #0ff, #00f, #f0f, #f00);
  height: 100vh;
}

body::before {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  content: "";
  background: linear-gradient(#fff, transparent, #000);
}