.scroll-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.scroll-up.active {
  opacity: 1;
  transform: translateY(0);
}

.scroll-down {
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.scroll-down.active {
  opacity: 1;
  transform: translateY(0);
}

.stagger-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.stagger-item.active {
  opacity: 1;
  transform: translateY(0);
}

.iframe .scroll-up,
.iframe .scroll-down,
.iframe .stagger-item {
  opacity: 1;
  transform: none;
  transition: none;
}