Style.Align_itemsSourceControls how child nodes are aligned.
For Flexbox it controls alignment in the cross axis. For Grid it controls alignment in the block axis.
See MDN: align-items.
type t = | StartPack items toward the start of the axis.
*)| EndPack items toward the end of the axis.
*)| Flex_startPack items toward the flex-relative start of the axis.
For flex containers with flex_direction Row_reverse or Column_reverse, this is equivalent to End. In all other cases it is equivalent to Start.
| Flex_endPack items toward the flex-relative end of the axis.
For flex containers with flex_direction Row_reverse or Column_reverse, this is equivalent to Start. In all other cases it is equivalent to End.
| CenterPack items along the center of the axis.
*)| BaselineAlign items such that their baselines align.
*)| StretchStretch items to fill the container.
*)