Simple framework with CSS-only UI components

Modern ready-to-use components made only with CSS.

Lightweight

Around 2 kB gzipped, with no dependencies and no build step.

CSS only

Every component works without JavaScript, nothing to hydrate.

Customizable

One set of CSS variables drives the look of every single component.

Customize

Change any variable or pick a preset. Everything updates live.

Preview

The same components, styled only with Synergy variables.