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mask-image

osbo.com | CSS | Properties | mask-image

The mask-image CSS property sets the mask layer image of an element.

Syntax

CSS

mask-image: value;

JS

object.style.maskImage = "value";

Values

<'mask-image'> = <mask-reference>#
<mask-reference> = none | <image> | <mask-source>
none

A transparent black image layer.

<image> = <url> | <gradient>
<url> = url( <string> <url-modifier>* )
<string>

Specifies a sequence of characters delimited by double quotes (") or single quotes (').

<url-modifier>

Changes the meaning or the interpretation of the URL.

<gradient> = <linear-gradient()> | <repeating-linear-gradient()> | <radial-gradient()> | <repeating-radial-gradient()>
<linear-gradient()> = linear-gradient( [ <angle> | to <side-or-corner> ]? , <color-stop-list> )
<angle>
deg

Degrees. There are 360 degrees in a full circle.

grad

Gradians, also known as "gons" or "grades". There are 400 gradians in a full circle.

rad

Radians. There are 2p radians in a full circle.

turn

Turns. There is 1 turn in a full circle.

<side-or-corner> = [left | right] || [top | bottom]
left

Left.

right

Right.

top

Top.

bottom

Bottom.

<color-stop-list> = <linear-color-stop> , [ <linear-color-hint>? , <linear-color-stop> ]#
<linear-color-stop> = <color> && <length-percentage>?
<color>

Specifies the color using a keyword or a numerical specification.

<length-percentage> = [ <length> | <percentage> ]
<length>

Specifies the length using a number followed by a unit of measurement.

<percentage>

Specifies the percentage using a number followed by a percent sign (%).

<linear-color-hint> = <length-percentage>
<length-percentage> = [ <length> | <percentage> ]
<length>

Specifies the length using a number followed by a unit of measurement.

<percentage>

Specifies the percentage using a number followed by a percent sign (%).

<repeating-linear-gradient()> = linear-gradient( [ <angle> | to <side-or-corner> ]? , <color-stop-list> )
<angle>
deg

Degrees. There are 360 degrees in a full circle.

grad

Gradians, also known as "gons" or "grades". There are 400 gradians in a full circle.

rad

Radians. There are 2p radians in a full circle.

turn

Turns. There is 1 turn in a full circle.

<side-or-corner> = [left | right] || [top | bottom]
left

Left.

right

Right.

top

Top.

bottom

Bottom.

<color-stop-list> = <linear-color-stop> , [ <linear-color-hint>? , <linear-color-stop> ]#
<linear-color-stop> = <color> && <length-percentage>?
<color>

Specifies the color using a keyword or a numerical specification.

<length-percentage> = [ <length> | <percentage> ]
<length>

Specifies the length using a number followed by a unit of measurement.

<percentage>

Specifies the percentage using a number followed by a percent sign (%).

<linear-color-hint> = <length-percentage>
<length-percentage> = [ <length> | <percentage> ]
<length>

Specifies the length using a number followed by a unit of measurement.

<percentage>

Specifies the percentage using a number followed by a percent sign (%).

<radial-gradient()> = radial-gradient( [ <ending-shape> || <size> ]? [ at <position> ]? , <color-stop-list> )
<ending-shape>

Determines whether the gradient's ending shape is a circle or an ellipse.

<size>

Determines the size of the gradient's ending shape.

<position> = [ [ left | center | right ] || [ top | center | bottom ] | [ left | center | right | <length-percentage> ] [ top | center | bottom | <length-percentage> ]? | [ [ left | right ] <length-percentage> ] && [ [ top | bottom ] <length-percentage> ] ]
left

Left.

center

Center.

right

Right.

top

Top.

bottom

Bottom.

<length-percentage> = [ <length> | <percentage> ]
<length>

Specifies the length using a number followed by a unit of measurement.

<percentage>

Specifies the percentage using a number followed by a percent sign (%).

<color-stop-list> = <linear-color-stop> , [ <linear-color-hint>? , <linear-color-stop> ]#
<linear-color-stop> = <color> && <length-percentage>?
<color>

Specifies the color using a keyword or a numerical specification.

<length-percentage> = [ <length> | <percentage> ]
<length>

Specifies the length using a number followed by a unit of measurement.

<percentage>

Specifies the percentage using a number followed by a percent sign (%).

<linear-color-hint> = <length-percentage>
<length-percentage> = [ <length> | <percentage> ]
<length>

Specifies the length using a number followed by a unit of measurement.

<percentage>

Specifies the percentage using a number followed by a percent sign (%).

<repeating-radial-gradient()> = radial-gradient( [ <ending-shape> || <size> ]? [ at <position> ]? , <color-stop-list> )
<ending-shape>

Determines whether the gradient's ending shape is a circle or an ellipse.

<size>

Determines the size of the gradient's ending shape.

<position> = [ [ left | center | right ] || [ top | center | bottom ] | [ left | center | right | <length-percentage> ] [ top | center | bottom | <length-percentage> ]? | [ [ left | right ] <length-percentage> ] && [ [ top | bottom ] <length-percentage> ] ]
left

Left.

center

Center.

right

Right.

top

Top.

bottom

Bottom.

<length-percentage> = [ <length> | <percentage> ]
<length>

Specifies the length using a number followed by a unit of measurement.

<percentage>

Specifies the percentage using a number followed by a percent sign (%).

<color-stop-list> = <linear-color-stop> , [ <linear-color-hint>? , <linear-color-stop> ]#
<linear-color-stop> = <color> && <length-percentage>?
<color>

Specifies the color using a keyword or a numerical specification.

<length-percentage> = [ <length> | <percentage> ]
<length>

Specifies the length using a number followed by a unit of measurement.

<percentage>

Specifies the percentage using a number followed by a percent sign (%).

<linear-color-hint> = <length-percentage>
<length-percentage> = [ <length> | <percentage> ]
<length>

Specifies the length using a number followed by a unit of measurement.

<percentage>

Specifies the percentage using a number followed by a percent sign (%).

<mask-source> = <url>
<url> = url( <string> <url-modifier>* )
<string>

Specifies a sequence of characters delimited by double quotes (") or single quotes (').

<url-modifier>

Changes the meaning or the interpretation of the URL.

Initial

none

Examples

image | gradient | linear-gradient

image | gradient | radial-gradient

image | url

none

JS

Internal

mask

mask-clip

mask-composite

mask-mode

mask-origin

mask-position

mask-repeat

mask-size

mask-type

External

World Wide Web Consortium (W3C)