body {
  background: #ededed;
}



.leaf-area {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 80%;
  pointer-events: none;
  z-index: 10;
}

.leaf {
  position: absolute;
  width: 38px;
  height: 32px;
  top: -40px;
  opacity: 0.88;
  animation: leaf-fall 7.8s linear infinite;
}

.leaf:nth-child(2) {
  animation-delay: 1.3s;
  animation-duration: 9.2s;
}

.leaf:nth-child(3) {
  animation-delay: 2.4s;
  animation-duration: 8.3s;
}

.leaf:nth-child(4) {
  animation-delay: 2.9s;
  animation-duration: 10.7s;
}

.leaf:nth-child(5) {
  animation-delay: 3.1s;
  animation-duration: 7.6s;
}

@keyframes leaf-fall {
  0% {
    top: -40px;
    transform: translateX(0px) rotate(-15deg) scale(1.1);
    opacity: 0.86;
  }

  10% {
    transform: translateX(18px) rotate(-7deg) scale(1.09);
  }

  20% {
    transform: translateX(36px) rotate(4deg) scale(1.05);
    opacity: 0.93;
  }

  30% {
    transform: translateX(64px) rotate(9deg) scale(1.03);
  }

  40% {
    transform: translateX(92px) rotate(5deg) scale(1.09);
    opacity: 0.86;
  }

  50% {
    transform: translateX(116px) rotate(-8deg) scale(1);
  }

  60% {
    transform: translateX(100px) rotate(-17deg) scale(1.03);
    opacity: 0.79;
  }

  70% {
    transform: translateX(62px) rotate(-7deg) scale(1.08);
  }

  80% {
    transform: translateX(22px) rotate(7deg) scale(1.13);
    opacity: 0.73;
  }

  90% {
    transform: translateX(-6px) rotate(0deg) scale(1.1);
  }

  100% {
    top: 110%;
    transform: translateX(0px) rotate(-13deg) scale(1.12);
    opacity: 0;
  }
}