Updated ACSS card framework media and avatar settings

Property	Value
description	Updated ACSS card media aspect ratio and avatar size defaults.
stack	Bricks
variant	base
version	1.1.0
type	Update

• ACSS > Cards > Card Styling > Styling Options > Media > Aspect Ratio = from 4/3 to 16/9.
• ACSS > Cards > Card Styling > Styling Options > Avatars > Avatar Size = from 140px to 128px.