#star-container {
}

.star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: white;
  border-radius: 50%;
  opacity: 0;
  animation: twinkle 2s infinite;
  box-shadow: 0 0 6px 2px rgba(255, 255, 255, 0.8);
  overflow: hidden;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.1; }
    50% { opacity: 1; }
}