*{margin:0;padding:0;}

:root {
  --twinkle-duration: 4s;
}

.stars-wrapper {
  position: relative;
  pointer-events: none;
  width: 100vw;
  height: 100vh;
  background: -webkit-gradient(linear, left top, left bottom, from(#16161d), color-stop(#1f1f3a), to(#3b2f4a));
  background: linear-gradient(#16161d, #1f1f3a, #3b2f4a);
  overflow: hidden;
}

.stars {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  -webkit-animation: twinkle var(--twinkle-duration) ease-in-out infinite;
          animation: twinkle var(--twinkle-duration) ease-in-out infinite;
}
.stars:nth-child(2) {
  -webkit-animation-delay: calc(var(--twinkle-duration) * -0.33);
          animation-delay: calc(var(--twinkle-duration) * -0.33);
}
.stars:nth-child(3) {
  -webkit-animation-delay: calc(var(--twinkle-duration) * -0.66);
          animation-delay: calc(var(--twinkle-duration) * -0.66);
}
@-webkit-keyframes twinkle {
  25% {
    opacity: 0;
  }
}
@keyframes twinkle {
  25% {
    opacity: 0;
  }
}
.star {
  fill: white;
}
.star:nth-child(3n) {
  opacity: 0.8;
}
.star:nth-child(7n) {
  opacity: 0.6;
}
.star:nth-child(13n) {
  opacity: 0.4;
}
.star:nth-child(19n) {
  opacity: 0.2;
}

.comet {
  -webkit-transform-origin: center center;
          transform-origin: center center;
  -webkit-animation: comet 10s linear infinite;
          animation: comet 10s linear infinite;
}
@-webkit-keyframes comet {
  0%,
		40% {
    -webkit-transform: translateX(0);
            transform: translateX(0);
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  60%,
		100% {
    -webkit-transform: translateX(-100vmax);
            transform: translateX(-100vmax);
    opacity: 0;
  }
}
@keyframes comet {
  0%,
		40% {
    -webkit-transform: translateX(0);
            transform: translateX(0);
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  60%,
		100% {
    -webkit-transform: translateX(-100vmax);
            transform: translateX(-100vmax);
    opacity: 0;
  }
}
.comet-b {
  -webkit-animation-delay: -3.3s;
          animation-delay: -3.3s;
}

.comet-c {
  -webkit-animation-delay: -5s;
          animation-delay: -5s;
}