- custom themes
- axis
- area: title, text, ticks, minor.ticks
- sub-area: length
- loc: x[.top, bottom, left, right]
- legend
- area: spacing, key, ticks, axis, text, title, position, box
- big attr: background, margin, frame, direction, byrow, location
- sub attr:
- x, y
- size, height, width
- top, bottom, right, left, inside
- just, margin, background, spacing
- panel
- area: spacing, grid
- attrs: background, border, ontop
- plot
- area: title, subtitle, caption, tag
- attrs: background, position, location
- strip
- area: background, text
- attrs:
- x, y
- bottom, top
- left, right
- switch.pad.grid
- switch.pad.wrap
- complete, validate