.snowflake {
  position: fixed;
  width: 8px;
  height: 8px;
  background-color: white;
  border-radius: 50%;
  pointer-events: none;
  animation: fall 3s linear infinite;
  z-index: 9;
  filter: blur(2px);
}

@keyframes fall {
  to {
    transform: translateY(100vh);
    opacity: 0;
  }
}