SDF Banner
A slim full-width announcement banner with a leading dot, centered label, trailing arrow link, optional dismiss, and accent/dark/neutral tones.
The full source is for members
Sign in and choose a plan to view and copy SdfBanner.tsx. The live preview above is free to explore.
How to use. Copy SdfBanner.tsx into your project (it's self-contained — the styles ship with it and dedupe across instances in React 19). Theme it by setting --sdf-* tokens on any ancestor. No dependencies, no build step.