Fancy scroll-linked effects like "text being blurry until it's centered in the page" break when I use page down, and see some text on-screen, wait 3 seconds, an

Fancy scroll-linked effects like "text being blurry until it's centered in the page" break when I use page down, and see some text on-screen, wait 3 seconds, and it remains blurry. It seems like whoever designed this page completely neglected to take into account the reading experience of people who use pagedown to scroll, not just the mouse wheel.