Light
Fill--surface-card, no border, no shadow
Hairline--surface-canvas with --border-hairline
Hover--shadow-hover, on a card under the pointer
Float--shadow-float, on something above the page
Dark--surface-dark, the emphasis surface
Dark
Fill--surface-card, no border, no shadow
Hairline--surface-canvas with --border-hairline
Hover--shadow-hover, on a card under the pointer
Float--shadow-float, on something above the page
Dark--surface-dark, the emphasis surface