Brushing off an apology

No pasa nada

no PAH-sah NAH-dah — No worries / it's fine

"— Perdona el retraso. — No pasa nada."
— Sorry for the delay. — No worries.

Literally "nothing happens" — the standard, genuinely warm response to someone's apology, used constantly in everyday life.

"What I tell every student who apologizes for a mistake in class — because it really, truly doesn't matter."— Graciela