skew()
The skew()
CSS function defines a transformation that skews an element on the 2D
plane. Its result is a <transform-function>
data type.
This transformation is a shear mapping (transvection) that distorts each point within an element by a certain angle in the horizontal and vertical directions. The effect is as if you grabbed each corner of the element and pulled them along a certain angle.
The coordinates of each point are modified by a value proportionate to the specified angle and the distance to the origin. Thus, the farther from the origin a point is, the greater the value added to it.
Syntax
The skew()
function is specified with either one or two values, which represent the amount of skewing to
be applied in each direction. If you only specify one value it is used for the x-axis and there will be no skewing on
the y-axis.
skew(ax)
skew(ax, ay)
Values
ax
-
Is an
<angle>
representing the angle to use to distort the element along the x-axis (or abscissa). ay
-
Is an
<angle>
representing the angle to use to distort the element along the y-axis (or ordinate). If not defined, its default value is0
, resulting in a purely horizontal skewing.
Cartesian coordinates on ℝ^2 | Homogeneous coordinates on ℝℙ^2 | Cartesian coordinates on ℝ^3 | Homogeneous coordinates on ℝℙ^3 |
---|---|---|---|
[1 tan(ay) tan(ax) 1 0 0] |
Examples
Skewing on the x-axis only
HTML
<div>Normal</div>
<div class="skewed">Skewed</div>
CSS
body {
margin: 20px;
}
div {
width: 80px;
height: 80px;
background-color: skyblue;
}
.skewed {
transform: skew(10deg); /* Equal to skewX(10deg) */
background-color: pink;
}
Result
Skewing on both axes
HTML
<div>Normal</div>
<div class="skewed">Skewed</div>
CSS
body {
margin: 20px;
}
div {
width: 80px;
height: 80px;
background-color: skyblue;
}
.skewed {
transform: skew(10deg, 10deg);
background-color: pink;
}
Result
Specifications
Specification |
---|
CSS Transforms Module Level 1 # funcdef-transform-skew |
Browser compatibility
BCD tables only load in the browser