Bringing Back Parallax With Scroll-Driven CSS Animations | CSS-Tricks
Briefly

Parallax is a design technique where webpage elements move at different speeds during scrolling, creating a layered appearance. Initially, this effect required JavaScript, but a new CSS-only approach has emerged, allowing seamless animations without main-thread blocking. While parallax has become clichéd, the CSS method offers a fresh way to incorporate this effect in modern web design. An example applies parallax animations to backgrounds and icons in sections of a universe-themed webpage, modifying the background position through CSS keyframes and controlling animation with scrolling, enhancing user engagement.
Parallax is a design pattern where webpage elements move at different speeds during scrolling, creating a layered, three-dimensional effect. Initially reliant on JavaScript, a recent CSS-only method has emerged, allowing smoother, non-blocking animations.
While parallax effects have become clichéd over time, the return of CSS-only solutions makes it viable to reintegrate these animations into modern web design, enhancing the user experience without heavy reliance on JavaScript.
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