body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(255,255,255,0.09) 1px, transparent 1px);
  background-size: 4px 4px; /* ajusta espaçamento dos pontos */
  mix-blend-mode: screen;   /* deixa os pontos "brancos" em cima */
  z-index: 9999;
}