.animatable {
  opacity: 0;
  transition: opacity 500ms;
}

.animatable.scrolled {
  opacity: 1;
}

.scrolled.fadeIn {
  animation: fade-in 1s ease-in-out both;
}

.scrolled.fadeInUp {
  animation: fade-in-up 0.5s ease-in-out both;
}

.scrolled.slideLeft {
  animation: slide-in-left 1s ease-in-out both;
}

.scrolled.slideRight {
  animation: slide-in-right 1s ease-in-out both;
}

@keyframes slide-in-left {
  0% {
    -webkit-transform: translateX(-100px);
    transform: translateX(-100px);
    opacity: 0;
  }
  100% {
    -webkit-transform: translateX(0);
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slide-in-right {
  0% {
    -webkit-transform: translateX(100px);
    transform: translateX(100px);
    opacity: 0;
  }
  100% {
    -webkit-transform: translateX(0);
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes fade-in-up {
  0% {
    -webkit-transform: translateY(25px);
    transform: translateY(25px);
    opacity: 0;
  }
  100% {
    -webkit-transform: translateY(0);
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fade-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}