body::before {
  content: "";
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  pointer-events: none;
  z-index: 100;

  background: repeating-radial-gradient(
    circle,
    rgba(0, 0, 0, 0.02) 0,
    rgba(0, 0, 0, 0.02) 1px,
    transparent 1px,
    transparent 2px
  );
}