mask-origin
The mask-origin
CSS property sets the origin of a mask.
css
/* Keyword values */
mask-origin: content-box;
mask-origin: padding-box;
mask-origin: border-box;
mask-origin: margin-box;
mask-origin: fill-box;
mask-origin: stroke-box;
mask-origin: view-box;
/* Multiple values */
mask-origin: padding-box, content-box;
mask-origin: view-box, fill-box, border-box;
/* Non-standard keyword values */
-webkit-mask-origin: content;
-webkit-mask-origin: padding;
-webkit-mask-origin: border;
/* Global values */
mask-origin: inherit;
mask-origin: initial;
mask-origin: revert;
mask-origin: revert-layer;
mask-origin: unset;
For elements rendered as a single box, this property specifies the mask positioning area. In other words, this property specifies the origin position of an image specified by the mask-image
CSS property. For elements rendered as multiple boxes, such as inline boxes on several lines or boxes on several pages, it specifies which boxes box-decoration-break
operates upon to determine the mask positioning area.
Syntax
One or more of the keyword values listed below, separated by commas.
Values
content-box
-
The position is relative to the content box.
padding-box
-
The position is relative to the padding box. For single boxes
0 0
is the upper left corner of the padding edge,100% 100%
is the lower right corner. border-box
-
The position is relative to the border box.
margin-box
-
The position is relative to the margin box.
fill-box
Experimental-
The position is relative to the object bounding box.
stroke-box
Experimental-
The position is relative to the stroke bounding box.
view-box
Experimental-
Uses the nearest SVG viewport as reference box. If a
viewBox
attribute is specified for the element creating the SVG viewport, the reference box is positioned at the origin of the coordinate system established by theviewBox
attribute and the dimension of the reference box is set to the width and height values of theviewBox
attribute. content
Non-standard-
Same as
content-box
. padding
Non-standard-
Same as
padding-box
. border
Non-standard-
Same as
border-box
.
Formal definition
Initial value | border-box |
---|---|
Applies to | all elements; In SVG, it applies to container elements excluding the <defs> element and all graphics elements |
Inherited | no |
Computed value | as specified |
Animation type | discrete |
Formal syntax
Examples
Setting mask origin to border-box
Try some of the other possible values by updating the CSS in the box below.
Specifications
Specification |
---|
CSS Masking Module Level 1 # the-mask-origin |
Browser compatibility
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