# Sumi.css

6 Hacker News commenters recommended Sumi.css and 6 criticized it, November 2025 to November 2026. It was recommended in 1 of 13 months.

**Verdict:** A small free CSS framework that one recommender hopes will keep being updated. The most common criticism is that its design looks AI-generated.

## Why people recommend it

- Hope it keeps being updated (1 comments): "I hope you guys can keep updating for a while longer" ([source](https://news.ycombinator.com/item?id=50180543))

## What people warn about

- Looks AI-generated or vibecoded (2 comments): "Did this need to be vibecoded? It's a small css file." ([source](https://news.ycombinator.com/item?id=50192744)) "It uses the LLM favourite left border decoration." ([source](https://news.ycombinator.com/item?id=50192581))

## Alternatives hackers recommend

- [Tailwind CSS](https://hackerapproved.com/p/tailwind-css.md): 387 recommend
- [Bootstrap](https://hackerapproved.com/p/bootstrap.md): 73 recommend
- [98.css](https://hackerapproved.com/p/98-css.md): 42 recommend
- [Oat HTML UI component library](https://hackerapproved.com/p/oat.md): 29 recommend
- [DaisyUI](https://hackerapproved.com/p/daisyui.md): 22 recommend

## Cite as

Hacker Approved, "Sumi.css", https://hackerapproved.com/p/sumi-css/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).