* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Times New Roman', Times, serif;
  font-style: oblique;
}

@media (min-width: 100% ) {

section {
  position: relative;
  width: 90%;
  height:100; 
  background: none;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: -1;
}
}

section .set {
  position: absolute;
  width: 100%;
  height:100%;
 
  top: 3rem;
  left: -2rem;
  pointer-events: none;
}

section .set div {
  position: absolute;
  display: block;
}

section .set div:nth-child(1) {
  left:5%;
  animation: animate 20s linear infinite;
  animation-delay: -7s;
}

section .set div:nth-child(2) {
  left: 10%;
  animation: animate 10s linear infinite;
  animation-delay: -5s;
}

section .set div:nth-child(3) {
  left: 20%;
  animation: animate 20s linear infinite;
  animation-delay: 0;
}

section .set div:nth-child(4) {
  left: 30%;
  animation: animate 15s linear infinite;
  animation-delay: -5s;
}

section .set div:nth-child(5) {
  left: 15%;
  animation: animate 18s linear infinite;
  animation-delay: -5s;
}

section .set div:nth-child(6) {
  left: 60%;
  animation: animate 11s linear infinite;
  animation-delay: -5s;
}

section .set div:nth-child(7) {
  left: 75%;
  animation: animate 14s linear infinite;
  animation-delay: -6s;
}

section .set div:nth-child(8) {
  left: 85%;
  animation: animate 18s linear infinite;
  animation-delay: -3s;
}

section .set div:nth-child(9) {
  left: 90%;
  animation: animate 14s linear infinite;
  animation-delay: -5s;  
}

section .set div:nth-child(10) {
  left: 100%;
  animation: animate 20s linear infinite;
  animation-delay: -1s;
}

section .set div:nth-child(11) {
  left: 95%;
  animation: animate 14s linear infinite;
  animation-delay: -7s;
}

section .set div:nth-child(12) {
  left: 80%;
  animation: animate 7s linear infinite;
  animation-delay: -3s;
}

section .set div:nth-child(13) {
  left: 55%;
  animation: animate 14s linear infinite;
  animation-delay: -5s;  
}

section .set div:nth-child(14) {
  left: 25%;
  animation: animate 20s linear infinite;
  animation-delay: -7s;
}

@keyframes animate {
  0% {
    opacity: 0;
    top: -10%;
    transform: translateX(20px) rotate(0deg);
  }
  10% {
    opacity: 1;
  }
  20% {
    transform: translateX(-20px) rotate(25deg);
  }
  30% {
    transform: translateX(-20px) rotate(-135deg);
  }
  40% {
    transform: translateX(-20px) rotate(-35deg);
  }
 50% {
    transform: translateX(-20px) rotate(-180deg);
  }
  60% {
    transform: translateX(20px) rotate(45deg);
  }
  70% {
    transform: translateX(20px) rotate(180deg);
  }
  80% {
    transform: translateX(20px) rotate(-60deg);
  }
  100% {
    top: 110%;
    transform: translateX(-20px) rotate(30deg);
  }
}

.set2 {
  transform: scale(.8) rotateY(90deg);
}

.set3 {
  transform: scale(.7) rotateY(45deg);
}

.set4 {
  transform: scale(1) rotateY(45deg);
}