BG Reveal

Rises a full element-height from below while fading in — suited to background images or full-bleed blocks rather than small elements.

Classes

Class	Plays
`fx-bg-reveal-pl`	On page load
`fx-bg-reveal-st`	When the element scrolls into view
`fx-bg-reveal`	Automatically, when its section scrolls into view

Duration — fx-duration-[n], default 1 second.
Delay — fx-delay-[n], default 0.
Ease — fx-ease-[name], default power3.out.
Start position — fx-start-[pos], default top 85% (scroll-triggered only).

<div class="wp-block-cover fx-bg-reveal-st">…</div>