Vertical scroll snapping full height container blocks in GeneratePress on WordPress

style.css

/* Reference: https://tourkick.com/?p=14005 */
html, body {
	scroll-snap-type: y proximity;
}
@media (max-width: 1024px) {
	html, body {
		scroll-padding: 64px; /* Remove this if your mobile header nav hides upon scroll. */
	}
}
@media (min-width: 1025px) {
	html, body {
		scroll-padding: 80px; /* If your desktop header nav is fixed. */
	}
}
.scroll-snap { /* Add this class to your container's block settings. */
	scroll-snap-align: start;
}