1 CSS steps() Examples
While standard CSS transitions rely on smooth interpolation (like ease or linear), specific UI patterns require discrete, abrupt state changes. This collection focuses on the CSS steps() timing function, a powerful tool for creating frame-by-frame animations. By dividing an animation cycle into specific segments, developers can achieve precise control over movement, replicating the feel of classic cel animation or digital clocks. These pure CSS solutions offer a performant alternative to heavy GIFs or video files, providing resolution independence and programmable speed control.
Technically, these snippets demonstrate how to manipulate the animation-timing-function property to avoid intermediate tweening values. The core use case featured here is Sprite Sheet Animation, where background-position is shifted in calculated steps to cycle through poses of a character or icon. You will also find implementations of the popular Typewriter Effect, utilizing steps() to reveal text character-by-character, often paired with a blinking cursor. Advanced examples explore the newer jump-start, jump-end, and jump-none parameters to fine-tune the start and end points of the interpolation, ensuring seamless loops for loading spinners and retro-style clocks.
These examples are practical and copy-paste ready for production. They are particularly useful for game developers building web-based interfaces, creative designers aiming for a “pixel-art” aesthetic, or anyone needing lightweight, script-free loaders. Beyond utility, analyzing these snippets helps developers understand the nuances of the CSS animation timeline and how to break free from the constraints of smooth bezier curves.
Examples

Ink Transition Scroll Effect
This Ink Transition Scroll Effect brings digital storytelling to life by mimicking the organic spread of ink on paper. Designed for a biography page, it reveals images using a “splatter” transition triggered by scrolling. It combines ScrollMagic for timing, GSAP for smooth text entry, and CSS Sprites for the complex ink mask animation. (Requires: ScrollMagic, GSAP)
See the Pen Ink Transition Scroll Effect.