.snowflakes {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  overflow: hidden;
}

.snowflake {
  position: absolute;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  animation: sparkle linear infinite;
}

@keyframes sparkle {
  0% {
    transform: translateY(-50px);
    opacity: 0;
  }
  30% {
    opacity: 1;
  }
  100% {
    transform: translateY(150px);
    opacity: 0;
  }
}