Scroll down, then back up

Any element, CSS only

fade
fade-up
scale
blur

Zoom, with a direction

zoom-in
zoom-out
zoom-in-up
blur-left

Named easings, the same on both paths

ease-out-back
ease-in-out-circ

mask-up, whole element, CSS only

Wiped in from the bottom edge, no GSAP

fade-up, words

Words rise and fade in one after another, then reset once the paragraph is fully off screen so they play again when you scroll back.

blur, chars

Letter by letter

mask-up, lines

Every line slides up from behind its own mask

mask-down, once

This one plays once