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The ** scaleZ()** CSS function defines a transformation that resizes an element along the z-axis. Its result is a

`<transform-function>`

data type.The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request.

This scaling transformation modifies the z-coordinate of each element point by a constant factor, except when the scale factor is 1, in which case the function is the identity transform. The scaling is not isotropic, and the angles of the element are not conserved. `scaleZ(-1)`

defines an axial symmetry, with the z-axis passing through the origin (as specified by the `transform-origin`

property).

In the above interactive examples, `perspective: 550px;`

(to create a 3D space) and `transform-style: preserve-3d;`

(so the children, the 6 sides of the cube, are also positioned in the 3D space), have been set on the cube.

**Note:** `scaleZ(sz)`

is equivalent to to `scale3d(1, 1, sz)`

.

## Syntax

scaleZ(s)

### Values

`s`

- Is a
`<number>`

representing the scaling factor to apply on the z-coordinate of each point of the element.

Cartesian coordinates on ℝ^{2} |
Homogeneous coordinates on ℝℙ^{2} |
Cartesian coordinates on ℝ^{3} |
Homogeneous coordinates on ℝℙ^{3} |
---|---|---|---|

This transformation applies to the 3D space and can't be represented on the plane. | $\left(\begin{array}{cc}10& 0\\ 01& 0\\ 0& 0& s\end{array}\right)$ | $\left(\begin{array}{ccc}10& 0& 0\\ 01& 0& 0\\ 0& 0& s& 0\\ 0& 0& 0& 1\end{array}\right)$ |

## Examples

### HTML

<div>Normal</div> <div class="perspective">Translated</div> <div class="scaled-translated">Scaled</div>

### CSS

div { width: 80px; height: 80px; background-color: skyblue; } .perspective { /* Includes a perspective to create a 3D space */ transform: perspective(400px) translateZ(-100px); background-color: limegreen; } .scaled-translated { /* Includes a perspective to create a 3D space */ transform: perspective(400px) scaleZ(2) translateZ(-100px); background-color: pink; }

### Result

## Specifications

Specification | Status | Comment |
---|---|---|

CSS Transforms Level 2 The definition of 'scaleZ()' in that specification. |
Editor's Draft | Initial definition |

## Browser compatibility

Please see the `<transform-function>`

data type for compatibility info.

## See also

## Document Tags and Contributors

**Tags:**

**Contributors to this page:**estelle, mdnwebdocs-bot, Sebastianz, komalbharadiya, wbamberg, mfluehr, SphinxKnight

**Last updated by:**estelle,