deck-split {
  display: contents;
}
deck-split .cols { display: grid; flex: 1; position: relative; z-index: 2; min-width: 0; align-content: center }
deck-split .cols[data-ratio=even] { grid-template-columns: 1fr 1fr }
deck-split .cols[data-ratio=narrow] { grid-template-columns: 1fr 1.3fr }
deck-split .cols[data-ratio=wide] { grid-template-columns: 1.3fr 1fr }
deck-split .cols[data-gap='4'] { gap: var(--slide-gap-col) }
deck-split .cols[data-gap='5'] { gap: 5rem }
deck-split .cols[data-gap='6'] { gap: var(--slide-gap-col-lg) }
deck-split .cols[data-align=start] { align-items: start }
deck-split .cols[data-align=center] { align-items: center }
deck-split .cols > * { min-width: 0 }
@media (max-width: 900px), (max-height: 620px) { deck-split .cols { grid-template-columns: 1fr; gap: var(--slide-gap-col-sm); align-content: start } }
@media print { deck-split .cols { break-inside: avoid } }
deck-split .cols[data-ratio=lead] { grid-template-columns: 1.7fr 1fr }