.stars {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: transparent;
}

.stars::before, .stars::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(2px 2px at 40px 60px, #fff, rgba(0,0,0,0)),
    radial-gradient(2px 2px at 20px 50px, rgba(255,255,255,0.4), rgba(0,0,0,0)),
    radial-gradient(2px 2px at 30px 100px, rgba(255,255,255,0.7), rgba(0,0,0,0)),
    radial-gradient(2px 2px at 40px 60px, rgba(255,255,255,0.8), rgba(0,0,0,0)),
    radial-gradient(2px 2px at 110px 70px, rgba(255,255,255,0.9), rgba(0,0,0,0)),
    radial-gradient(2px 2px at 250px 230px, #fff, rgba(0,0,0,0));
  background-repeat: repeat;
  background-size: 250px 250px;
}

.stars::after {
  background-size: 200px 200px;
  background-position: 50px 50px;
  animation: starsAnimation 100s linear infinite;
}

@keyframes starsAnimation {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}