# Acorn — Design Style Reference

> **Unofficial, community-authored reference.** Compiled by [designsystems.one](https://www.designsystems.one). Not affiliated with, endorsed by, or sponsored by Mozilla / Firefox. "Acorn" and related marks belong to their respective owners. This document describes publicly observable style attributes in original words — it contains no copied documentation, logos, icon artwork, or original token files. Always defer to the official source for canonical, current values.

**System:** Acorn
**Owner:** Mozilla / Firefox
**Official documentation:** https://acorn.firefox.com/


---

## Summary

Mozilla's public design system documenting foundations, components, and patterns for the Firefox desktop and mobile browsers.

## Engineering profile

- **Source model:** Hybrid
- **Figma:** Official Figma kit

## Apply this style with an AI tool

Paste this into your AI coding assistant as a direction, then iterate:

> Design in the spirit of Acorn by Mozilla / Firefox — Mozilla's public design system documenting foundations, components, and patterns for the Firefox desktop and mobile browsers. Match the intent, not the pixels; adapt it to my product rather than cloning it.

## Official reference

- [Acorn documentation](https://acorn.firefox.com/)

---

_Generated by [designsystems.one](https://www.designsystems.one/design-systems/firefox-acorn) — a catalogue of public design systems. Style facts are reported for reference and education; adapt them to your own product. Report issues or takedown requests via the site._