Transform point of reference

transform-origin

Specify the point of reference for the transform operation.

Property values

This property expects two values for 2D transformations, and three values for 3D transformations. The first two values may be a percentage, a distance, or one of the keywords that specify an edge. The third value must be a distance.

For 2D transformations, the first value is the offset from the element's left edge to the transformation's X origin. For convenience, these keywords may be used:

left Use the left-edge as the X origin
center Use the middle of the element as the X origin
right Use the right-edge as the X origin

For 2D transformations, the second value is the offset from the element's top edge to the transformation's Y origin. For convenience, these keywords may be used:

top Use the top-edge as the Y origin
center Use the middle of the element as the Y origin
bottom Use the bottom-edge as the Y origin

For 3D transformations, the third value is the offset from the plane of the screen to the user's point of reference, expressed as a distance (never a percentage).

Examples

/* use the center of the element as the point of reference for transforms */            
transform-origin: 50% 50%;
transform-origin

style > transform > transform-originTransform point of reference

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