The total time in milliseconds this transition should take.
Optional if width is present. Defaults to the window's current height.
Optional
falseTreats 'opacity' as absolute or as a delta. Defaults to false. Copy
falseTreats 'opacity' as absolute or as a delta. Defaults to false.
Optional if height is present. Defaults to the window's current width.
The total time in milliseconds this transition should take.