A bit of CSS that adds scanlines, some flicker and that slight color fringing you got on old CRT screens. Drop it on a page and it looks 30 years older.

I made it in 2021 after falling into a CodePen rabbit hole (credit to Patrick H. Lauke, whose pen got me started). It's still my most-starred repo on GitHub with 65 stars, which tells you what people actually want from me. Not my Android code. Scanlines.