Hacker News Reader

Looks neat and tidy. Is it open source?

Seems like the source

> newsboard - a bulletin board and bookmark sharing site (inspired by HackerNews)

It looks like it's using this hugo theme but I may be wrong.

OP here. Right, that's the source:

I used plain css from scratch to keep it small. I tried to copy the HackerNews look, but using Flex instead of Tables.