Mozilla: Firefox: Photon Design System

To users of Firefox 57

How are you enjoying its visual design?

I rarely have my hands on it (can’t use it, yet, on FreeBSD) but when I do observe improvements, they’re very pleasing.

On the other hand, things such as this puzzle me:

Shadows · Patterns | Photon Design System

– with a ‘shadow applied to a card’ but the shadow that I see is so slight, I describe it as useless.

I know, it’s somewhat lazy to criticise things for flatness, but is the trend for flatness a probable cause of shadowing that can not be discerned?