How to create parallax scrolling with CSS

Parallax scrolling is a technique used in web design to create a three-dimensional effect by moving background images more slowly than foreground images, enhancing user engagement and storytelling. This effect, which originated from the multiplane camera technique in animation, has gained popularity in web design with the advent of HTML5 and CSS3, allowing for easier implementation without JavaScript. The article discusses methods for implementing parallax effects using CSS, such as fixing the background position and utilizing 3D translations, while acknowledging challenges like mobile browser compatibility and performance optimization. Additionally, it explores advanced parallax effects with GSAP's ScrollTrigger plugin, providing examples of parallax libraries like simpleParallax.js and parallax.js that facilitate interactive background effects. The article emphasizes best practices in parallax scrolling, such as ensuring responsive design, maintaining accessibility, and balancing CSS with JavaScript for optimized performance. Overall, parallax scrolling can create a dynamic and immersive web experience, but careful consideration is needed to avoid compromising user experience on various devices.