Orientation
Horizontal
Vertical - when "vertical" class name is used.
Stretch
"stretch" - stretches items horizontally.
"vertical-stretch" - stretches items vertically.
Class prefixes when Stretched
"item.strech-" - from 1 to 6. Defines the strech size of the item.
"spacing-" - from 1 to 6. Defines the spacing between the items.
Alignment Class
"left" - aligns items to the left.
"center" - aligns items in the center.
"right" - aligns items to the right.
"top" - aligns items to the top.
"middle" - aligns items in the middle.
"bottom" - aligns items to the bottom.