.fade-out-screen {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: white;
  /* Animation: fade out sur 3 secondes */
  animation: fadeOut 3s forwards;
  z-index: 999999;
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
    visibility: hidden;
  }
}
.Loading-video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: fill;
  z-index: 10000;
}

.falling-leaves {
  display: none;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100%;
  transform: translate(-50%, 0);
  background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/125707/sidebar-bg.png)
    no-repeat center center;
  background-size: cover;
  overflow: hidden;
  z-index: -1;
}
.leaf-scene {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 100%;
  transform-style: preserve-3d;
}
.leaf-scene div {
  position: absolute;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  color: green;
  background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/125707/leaf.svg)
    no-repeat;
  background-size: 100%;
  transform-style: preserve-3d;
  backface-visibility: visible;
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  10%,
  30%,
  50%,
  70%,
  90% {
    transform: translateX(-2px);
  }
  20%,
  40%,
  60%,
  80% {
    transform: translateX(2px);
  }
}