section{
  position:relative;
  z-index: 100;
  width: 100%;
  height: 100vh;
  /* background:linear-gradient( #333, #000); */
  overflow:hidden;
  /* display:flex; */
  /* justify-content:center; */
  /* align-items:center; */
}
section .set{
  position:absolute ;
  width:100%;
  height:100%;
  top:0;
  left:0;
  pointer-events:none;
}
section .set div{
  position:absolute ;
  display:block ;
}
section .set div:nth-child(1){
  left:20%;
  animation:animate 15s linear infinite ;
  animation-delay:-7s;
}
section .set div:nth-child(2){
  left:50%;
  animation:animate 20s linear infinite ;
  animation-delay:-5s;
}
section .set div:nth-child(3){
  left:70%;
  animation:animate 20s linear infinite ;
  animation-delay:0s;
}
section .set div:nth-child(4){
  left:0%;
  animation:animate 15s linear infinite ;
  animation-delay:-5s;
}
section .set div:nth-child(5){
  left:85%;
  animation:animate 18s linear infinite ;
  animation-delay:-10s;
}
section .set div:nth-child(6){
  left:20%;
  animation:animate 15s linear infinite ;
  animation-delay:-7s;
}
section .set div:nth-child(7){
  left:0%;
  animation:animate 12s linear infinite ;
  
}
section .set div:nth-child(8){
  left:60%;
  animation:animate 15s linear infinite ;
}
@keyframes animate{
  0%{
      opacity:0;
      top: -10%;
      transform:translateX(20px) rotate(0deg);
  }
  10%{
      opacity:1;
  }
  20%{
      transform:translateX(-20px) rotate(45deg);
  }
  40%{
      transform:translateX(-20px) rotate(90deg);
  }
  60%{
      transform:translateX(20px) rotate(180deg);
  }
  80%{
      transform:translateX(-20px) rotate(180deg);
  }
  100%{
      top: 110%;
      transform:translateX(-20px) rotate(225deg);
  }
  
}
.set2{
  transform:scale(2) rotateY(180deg);
  filter:blur(2px);
}
.set3{
  transform:scale(0.8) rotateX(180deg);
  filter:blur(4px);
}