vladocar/Sumi.css
Library
Can I trust it?
Worth a closer look before you use it.
Warnings Check
Very new: it was created 2 days ago. Wait a little before installing it.
Stars from real accounts No data
We haven't checked its stars for fakes yet.
Active OK
Last change yesterday.
Licence OK
MIT: you can use it for free, also in a commercial product. Keep the licence notice.
Quick checks from public data. They help, but they are no guarantee.
What it is
A minimalist CSS framework that styles plain semantic HTML elements without classes. Distributed as a single file with no build step or JavaScript, it supports light and dark mode, theming through CSS custom properties, and a grid and utility class set.
Who it's for
Web developers building simple sites or prototypes who want styled HTML without a build step or heavy framework
How to use it
Install
<link rel="stylesheet" href="sumi.min.css">From its README. Check it there before running it.
Ask your AI to set it up
Paste this into Claude, ChatGPT or your coding assistant.
Help me install and set up vladocar/Sumi.css in my project. Follow its README: https://github.com/vladocar/Sumi.css. Explain each step and check it is safe before running anything.
Star curve
On the radar
Its place among the radar's top 100, day by day, with #1 at the top. Gaps are days it was out of the top 100.
Records
- Best place on RepoAlerts: #84, on 22 Oct 2026
- On the Hacker News front page on 21 Oct 2026
Alternatives
Similar projects named in its profile. Each link searches the directory.
On Hacker News
- Show HN: Sumi.css – CSS Framework76 points · 19 comments · 21 Oct 2026
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For maintainers
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