Origin (Transform) [Optional]
Specifies the center point (x y z) to transform (rotate, scale, skew) a layer, default value is '50% 50% 0'.
Examples:
2px
left 2px
right top
10% -10% 0
2px 30% 10px
left 5px -3px
right bottom 2px
This option is known as 'transform-origin' in css.
It affects appearance of layer applied with 'Rotate', 'Scale' or 'Skew'.