Compare agent skills before installing.

Load this skill when adding or reviewing web UI motion such as animations, transitions, entrances and exits, hovers, modals, dropdowns, toasts, page transitions, and micro-interactions. Triggers on "animate", "add a transition", "make it move", "motion", "fade", "slide", "stagger", "open and close". Builds dependency-free, Baseline-first, framework-agnostic CSS, with the Web Animations API and View Transitions API where they help.

Apple's approach to interface design and fluid, physical motion, translated for the web. Use when building or reviewing gesture-driven UI, spring animations, drag/swipe/sheet interactions, momentum and interruptible transitions, translucent materials and depth, typography (optical sizing, tracking, leading), reduced-motion, or the design foundations (feedback, spatial consistency, restraint) behind Apple-style interfaces.