/* 별 애니메이션 */
@keyframes animStar {
  from {
    transform: translateY(0px);
  }
  to {
    transform: translateY(-2000px);
  }
}

.stars-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}

.stars-small {
  width: 1px;
  height: 1px;
  background: transparent;
  position: absolute;
  animation: animStar 50s linear infinite;
}

.stars-medium {
  width: 2px;
  height: 2px;
  background: transparent;
  position: absolute;
  animation: animStar 100s linear infinite;
}

.stars-big {
  width: 3px;
  height: 3px;
  background: transparent;
  position: absolute;
  animation: animStar 150s linear infinite;
}