.lf-show:hover::after {
  content: '';
  background-color: rgba(0, 0, 0, 0.1);
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
}

.lf-show:hover .lf-show-item {
  transform-origin: left center;
  animation: grow 0.25s ease-in-out forwards;
  z-index: 5;
}

.lf-show:not(:hover) .lf-show-item {
  transform-origin: left center;
  animation: shrink 0.25s ease-in-out forwards;
}

@keyframes grow {
  0% {
    transform: scaleX(0);
  }
  100% {
    transform: scaleX(1);
  }
}

@keyframes shrink {
  0% {
    transform: scaleX(1);
  }
  100% {
    transform: scaleX(0);
  }
}