Also I can't see it at all on mobile. (And based on your comment, I don't know if I'm missing some informational context or just some presentational razzle dazzle.)
On https://muxup.com/ you should see pastel-coloured randomly drawn 'roguh' highlights for the site title and for the titles of individual articles. If you mouse over, they'll be redrawn while your mouse is hovering. If you're on mobile, you won't see that, and that's fine. It worked just fine on Android (FF or Chrome) and iPhone last time I checked, but do let me know if you're not seeing that.
It's really very simple, just thought the distillation of the 'rough' drawing technique to a couple of dozen lines of code for this use case might be of interest to some.