Probably I'm just left behind in terms of front-end stuff and just need to catch up, while for everyone else "it's not a big deal", but for me it's really impre

Probably I'm just left behind in terms of front-end stuff and just need to catch up, while for everyone else "it's not a big deal", but for me it's really impressive. I mean, I understand that instagram filters are not a rocket science, but CSS filters, really? In real time, just like that? And the whole github profile is pretty nice, I gotta say. Nothing special, but inspiring somehow.