body {
  background-color: #87ceeb;
  overflow: hidden;
  margin: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.leaf {
  width: 100px;
  height: 100px;
  background-image: url("https://png.pngtree.com/png-clipart/20230502/ourmid/pngtree-peacock-feather-transparent-png-image_6746941.png");
  background-size: cover;
  position: absolute;
  top: -100px;
  left: var(--x-pos);
  animation: fall 5s linear infinite, sway 5s ease-in-out infinite;
  animation-delay: var(--delay);
}

@keyframes fall {
  0% {
    top: -100px;
  }
  100% {
    top: 100vh;
  }
}

@keyframes sway {
  0%,
  100% {
    transform: translateX(0) rotate(10deg);
  }
  50% {
    transform: translateX(50px) rotate(60deg);
  }
}