[fouronnes3]

I was thinking maybe there's a pure CSS way to do it? That seems to be inline with the style of the author's blog.

[rambambram]

Pure CSS would be nice indeed.

[ctnicholas]

I saved myself time by reusing a small noise image I'd used before, but you could do it with an SVG pretty easily!

https://grainy-gradients.vercel.app/