CSS -moz-window-shadow Property Reference
The CSS -moz-window-shadow property is a nonstandard property in Mozilla Extensions. Review its formal syntax, computed behavior, and practical declarations.
Updated 2026-08-12
-moz-window-shadow overview
The CSS -moz-window-shadow property is a nonstandard property in Mozilla Extensions. Review its formal syntax, computed behavior, and practical declarations.
The property is not inherited by default. Use an explicit global keyword when inheritance is intended.
Syntax and formal definition
| Field | Value |
|---|---|
| Formal syntax | default | menu | tooltip | sheet | none |
| Initial value | default |
| Applies to | allElementsCreatingNativeWindows |
| Inherited | No |
| Percentages | no |
| Computed value | asSpecified |
| Animation type | discrete |
| Media | visual |
| Specification group | Mozilla Extensions |
| Status | Nonstandard |
Practical examples
These declarations demonstrate valid ways to set -moz-window-shadow. The initial and inherit global keywords remain available even when a property-specific value is preferable.
CSS
.reset-example {
-moz-window-shadow: initial;
}
.inherit-example {
-moz-window-shadow: inherit;
}
@supports (-moz-window-shadow: initial) {
.supported {
-moz-window-shadow: initial;
}
}