* main:
Move fix to the existing btn--circle class
Don't justify content for avatar buttons to make FF happy
Use smaller action size on mobile
Nudge position when mini
Remove aspect ratio for closed stamps
Put animated popups within cascade layer
Dry up utility classes for popup__group
Inline padding for popup__items, not popup__groups
Same padding for all popup__items
popup__items full-width by default
Remove redundant flex-grow class from popup__items
Set min-width on popup__items
Jason Zimdars
5cb2d46768