cyb/src/containers/portal/components/stars/style.module.scss

.stars,
.twinkl {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.stars {
  background: #000 url('../../../../image/stars.png') repeat top center;
  z-index: 0;
}

.twinkl {
  background: transparent url('../../../../image/twinkling.png') repeat top
    center;
  z-index: 0;

  -moz-animation: move-twink-back 650s linear infinite;
  -ms-animation: move-twink-back 650s linear infinite;
  -o-animation: move-twink-back 650s linear infinite;
  -webkit-animation: move-twink-back 650s linear infinite;
  animation: move-twink-back 650s linear infinite;
}

@keyframes move-twink-back {
  from {
    background-position: 0 0;
  }
  to {
    background-position: -10000px 5000px;
  }
}