.rv {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}

.rv.on { opacity: 1; transform: none }

.d1 { transition-delay: .08s }
.d2 { transition-delay: .16s }
.d3 { transition-delay: .22s }