Loaders.css
Delightful, performance-focused pure css loading animations
...Each loader is built from simple HTML elements animated with CSS keyframes, transforms, and opacity to create spinners, pulses, bars, and geometric patterns. Because they’re vector-based and CSS-driven, the animations scale cleanly at any resolution and look sharp on high-DPI displays. The library emphasizes small, reusable snippets: you copy a minimal markup block, apply the provided class, and tweak size or color through CSS variables or overrides. Animations are crafted to be smooth and performant, relying on GPU-friendly properties to keep frame rates high even on mobile devices. ...