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.

Deprecated since Gecko 57 (Firefox 57 / Thunderbird 57 / SeaMonkey 2.54)
This feature has been removed from the Web standards. Though some browsers may still support it, it is in the process of being dropped. Avoid using it and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

The -moz-binding CSS property is used by Mozilla-based applications to attach an XBL binding to a DOM element.

Initial valuenone
Applies toall elements except generated content or pseudo-elements
Inheritedno
Mediavisual
Computed valueas specified
Animation typediscrete
Canonical orderthe unique non-ambiguous order defined by the formal grammar

Syntax

/* <url> value */
-moz-binding: url(http://www.example.org/xbl/htmlBindings.xml#checkbox);

/* Global values */
-moz-binding: inherited;
-moz-binding: initial;
-moz-binding: unset;

Values

<url>
The URL for the XBL binding (including the fragment identifier).
none
No XBL binding is applied to the element.

Formal syntax

<url> | none

Example

.exampleone {
  -moz-binding: url(http://www.example.org/xbl/htmlBindings.xml#radiobutton);
}

Specifications

Not part of any specification.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidiOS SafariSamsung Internet
Basic support
DeprecatedNon-standard
Chrome No support NoEdge No support NoFirefox Full support Yes
Notes
Full support Yes
Notes
Notes XBL is deprecated and being removed. See bug 1397874.
IE No support NoOpera No support NoSafari No support NoWebView Android No support NoChrome Android No support NoEdge Mobile No support NoFirefox Android ? Opera Android No support NoSafari iOS No support NoSamsung Internet Android No support No

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
Non-standard. Expect poor cross-browser support.
Non-standard. Expect poor cross-browser support.
Deprecated. Not for use in new websites.
Deprecated. Not for use in new websites.
See implementation notes.
See implementation notes.

See also

Document Tags and Contributors

Last updated by: fscholz,