.main-star {
  position: fixed;
  top: 50%;
  left: 50%;
  height: 1px;
  z-index: -1;
  width: 1px;
  background-color: #fff;
  border-radius: 50%;
  box-shadow: -42vw -4vh 0px 0px #fff, 25vw -41vh 0px 0px #fff, -20vw 49vh 0px 1px #fff, 5vw 40vh 1px 1px #fff, 29vw 19vh 1px 0px #fff,
    -44vw -13vh 0px 0px #fff, 46vw 41vh 0px 1px #fff, -3vw -45vh 0px 1px #fff, 47vw 35vh 1px 0px #fff, 12vw -8vh 1px 0px #fff,
    -34vw 48vh 1px 1px #fff, 32vw 26vh 1px 1px #fff, 32vw -41vh 1px 1px #fff, 0vw 37vh 1px 1px #fff, 34vw -26vh 1px 0px #fff,
    -14vw -49vh 1px 0px #fff, -12vw 45vh 0px 1px #fff, -44vw -33vh 0px 1px #fff, -13vw 41vh 0px 0px #fff, -36vw -11vh 0px 1px #fff,
    -23vw -24vh 1px 0px #fff, -38vw -27vh 0px 1px #fff, 16vw -19vh 0px 0px #fff, 28vw 33vh 1px 0px #fff, -49vw -4vh 0px 0px #fff,
    16vw 32vh 0px 1px #fff, 36vw -18vh 1px 0px #fff, -25vw -30vh 1px 0px #fff, -23vw 24vh 0px 1px #fff, -2vw -35vh 1px 1px #fff,
    -25vw 9vh 0px 0px #fff, -15vw -34vh 0px 0px #fff, -8vw -19vh 1px 0px #fff, -20vw -20vh 1px 1px #fff, 42vw 50vh 0px 1px #fff,
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    -17vw 44vh 1px 1px #fff, 18vw -45vh 0px 0px #fff, 33vw -6vh 0px 0px #fff, 0vw 7vh 0px 1px #fff, -10vw -18vh 0px 1px #fff,
    -19vw 5vh 1px 0px #fff, 1vw 42vh 0px 0px #fff, 22vw 48vh 0px 1px #fff, 39vw -8vh 1px 1px #fff, -6vw -42vh 1px 0px #fff,
    -47vw 34vh 0px 0px #fff, -46vw 19vh 0px 1px #fff, -12vw -32vh 0px 0px #fff, -45vw -38vh 0px 1px #fff, -28vw 18vh 1px 0px #fff,
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    33vw -8vh 1px 0px #fff, -16vw 17vh 0px 0px #fff, 18vw 27vh 0px 1px #fff, -8vw -10vh 1px 1px #fff;
  box-shadow: 24vw 9vh 1px 0px #fff, 12vw -24vh 0px 1px #fff, -45vw -22vh 0px 0px #fff, -37vw -40vh 0px 1px #fff, 29vw 19vh 0px 1px #fff,
    4vw -8vh 0px 1px #fff, -5vw 21vh 1px 1px #fff, -27vw 26vh 1px 1px #fff, -47vw -3vh 1px 1px #fff, -28vw -30vh 0px 1px #fff,
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    -16vw -6vh 0px 0px #fff, 5vw 26vh 0px 0px #fff, -34vw 41vh 0px 0px #fff, 1vw 42vh 1px 1px #fff, 11vw -13vh 1px 1px #fff,
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    8vw 22vh 0px 1px #fff, 39vw 48vh 1px 1px #fff, -21vw -11vh 0px 1px #fff, -40vw 45vh 0px 1px #fff, 11vw -30vh 1px 0px #fff,
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    -2vw -24vh 0px 1px #fff, -15vw -28vh 0px 0px #fff, -43vw 13vh 1px 0px #fff, 7vw 27vh 1px 0px #fff, 47vw 5vh 0px 0px #fff,
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    49vw 13vh 0px 0px #fff, 48vw 10vh 0px 1px #fff, 19vw -28vh 0px 0px #fff, 4vw 7vh 0px 0px #fff, 21vw 21vh 1px 1px #fff,
    -15vw -15vh 0px 1px #fff, -6vw -42vh 1px 0px #fff, -15vw 48vh 1px 1px #fff, -23vw 25vh 1px 1px #fff, -48vw 25vh 0px 1px #fff,
    -31vw -19vh 0px 1px #fff, 4vw 37vh 1px 1px #fff, -43vw 28vh 0px 0px #fff, 3vw -25vh 0px 1px #fff, -39vw 14vh 0px 1px #fff,
    -40vw 31vh 0px 1px #fff, 35vw -36vh 1px 1px #fff, 16vw 49vh 0px 0px #fff, 6vw 39vh 0px 0px #fff, 3vw -35vh 0px 1px #fff,
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    -48vw 13vh 1px 0px #fff, -42vw 32vh 1px 1px #fff, 34vw 15vh 1px 1px #fff, 29vw -37vh 1px 1px #fff, 28vw 2vh 0px 0px #fff;
  box-shadow: 24vw 9vh 1px 0px #fff, 12vw -24vh 0px 1px #fff, -45vw -22vh 0px 0px #fff, -37vw -40vh 0px 1px #fff, 29vw 19vh 0px 1px #fff,
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    26vw 30vh 1px 0px #fff, 45vw -29vh 0px 1px #fff, -2vw 18vh 0px 0px #fff, -29vw -45vh 1px 0px #fff, -7vw -27vh 1px 1px #fff,
    42vw 24vh 0px 0px #fff, 45vw -48vh 1px 0px #fff, -36vw -18vh 0px 0px #fff, -44vw 13vh 0px 1px #fff, 36vw 16vh 0px 1px #fff,
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    -2vw -24vh 0px 1px #fff, -15vw -28vh 0px 0px #fff, -43vw 13vh 1px 0px #fff, 7vw 27vh 1px 0px #fff, 47vw 5vh 0px 0px #fff,
    -45vw 15vh 1px 1px #fff, -5vw -28vh 0px 1px #fff, 38vw 25vh 1px 1px #fff, -39vw -1vh 1px 0px #fff, 5vw 0vh 1px 0px #fff,
    49vw 13vh 0px 0px #fff, 48vw 10vh 0px 1px #fff, 19vw -28vh 0px 0px #fff, 4vw 7vh 0px 0px #fff, 21vw 21vh 1px 1px #fff,
    -15vw -15vh 0px 1px #fff, -6vw -42vh 1px 0px #fff, -15vw 48vh 1px 1px #fff, -23vw 25vh 1px 1px #fff, -48vw 25vh 0px 1px #fff,
    -31vw -19vh 0px 1px #fff, 4vw 37vh 1px 1px #fff, -43vw 28vh 0px 0px #fff, 3vw -25vh 0px 1px #fff, -39vw 14vh 0px 1px #fff,
    -40vw 31vh 0px 1px #fff, 35vw -36vh 1px 1px #fff, 16vw 49vh 0px 0px #fff, 6vw 39vh 0px 0px #fff, 3vw -35vh 0px 1px #fff,
    -44vw -2vh 1px 0px #fff, -6vw 21vh 1px 0px #fff, 48vw 9vh 1px 1px #fff, -43vw 30vh 1px 1px #fff, 29vw -12vh 1px 1px #fff,
    -48vw 13vh 1px 0px #fff, -42vw 32vh 1px 1px #fff, 34vw 15vh 1px 1px #fff, 29vw -37vh 1px 1px #fff, 28vw 2vh 0px 0px #fff;
  animation: zoom 10s alternate infinite;
  -webkit-animation: zoom 10s alternate infinite;
}

@keyframes zoom {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.5);
    -webkit-transform: scale(1.5);
    -moz-transform: scale(1.5);
    -ms-transform: scale(1.5);
    -o-transform: scale(1.5);
  }
}
/* ================================ */