Choose placements with a particular alignment.
Which placements are allowed to be chosen. Placements must be within the alignment option if explicitly set.
alignment
Whether to check for overflow using the alternate element's boundary (clippingAncestors boundary only).
clippingAncestors
Whether to choose placements with the opposite alignment if the preferred alignment does not fit.
The clipping element(s) or area in which overflow will be checked.
The axis that runs along the alignment of the floating element. Determines whether to check for most space along this axis.
The element in which overflow is being checked relative to a boundary.
Virtual padding for the resolved overflow detection offsets.
The root clipping area in which overflow will be checked.