-moz-box-align Mozilla extension property specifies how a XUL box aligns its contents across (perpendicular to) the direction of its layout. The effect of this is only visible if there is extra space in the box. The direction of layout depends on the element's orientation (horizontal or vertical).
|The box aligns contents at the start, leaving any extra space at the end.|
|The box aligns contents in the center, dividing any extra space equally between the start and the end.|
|The box aligns contents at the end, leaving any extra space at the start.|
|The box aligns the baselines of the contents (lining up the text). This only applies if the box's orientation is horizontal.|
|The box stretches the contents so that there is no extra space in the box.|