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MDN / scaleY() CSS function

The scaleY() CSS function defines a transformation that resizes an element along the y-axis (vertically). Its result is a data type.

transform: scaleY(1);

transform: scaleY(0.7);

transform: scaleY(1.3);

transform: scaleY(-0.5);

<section id="default-example">
  <img
    class="transition-all"
    id="example-element"
    src="/shared-assets/images/examples/firefox-logo.svg"
    width="200" />
</section>

It modifies the ordinate (vertical, y-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. scaleY(-1) defines an axial symmetry, with a horizontal axis passing through the origin (as specified by the property).

scaleY(sy) is equivalent to scale(1, sy) or scale3d(1, sy, 1).

transform: rotateX(180deg); === transform: scaleY(-1);

Syntax

scaleY(s)

Values

  • s

    • : Is a representing the scaling factor to apply on the ordinate (vertical, y-coordinate) of each point of the element.

Formal syntax

Examples

HTML

<div>Normal</div>
<div class="scaled">Scaled</div>

CSS

div {
  width: 80px;
  height: 80px;
  background-color: skyblue;
}

.scaled {
  transform: scaleY(0.6);
  background-color: pink;
}

Result

Specifications

Browser compatibility

See also

Individual transform properties:

  • Note: there is no skew property