-webkit-mask-attachment
Non-standard: This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
If a mask-image
is specified, -webkit-mask-attachment
determines whether the mask image's position is fixed within the viewport, or scrolls along with its containing block.
css
/* Keyword values */
-webkit-mask-attachment: scroll;
-webkit-mask-attachment: fixed;
-webkit-mask-attachment: local;
/* Multiple values */
-webkit-mask-attachment: scroll, local;
-webkit-mask-attachment: fixed, local, scroll;
/* Global values */
-webkit-mask-attachment: inherit;
-webkit-mask-attachment: initial;
-webkit-mask-attachment: revert;
-webkit-mask-attachment: revert-layer;
-webkit-mask-attachment: unset;
Syntax
Values
- scroll
-
If
scroll
is specified, the mask image scrolls within the viewport along with the block that contains the mask image. - fixed
-
If
fixed
is specified, the mask image does not scroll with its containing element, instead remaining stationary within the viewport.
Formal definition
Initial value | scroll |
---|---|
Applies to | all elements |
Inherited | no |
Computed value | as specified |
Animation type | discrete |
Formal syntax
-webkit-mask-attachment = <attachment>#
Examples
Fixing a mask image to the viewport
css
body {
-webkit-mask-image: url("images/mask.png");
-webkit-mask-attachment: fixed;
}
Specifications
Not part of any standard.
Browser compatibility
BCD tables only load in the browser