backdrop-filter
The backdrop-filter CSS property lets you apply graphical effects such as blurring or color shifting to the area behind an element. Because it applies to everything behind the element, to see the effect the element or its background needs to be transparent or partially transparent.
Browser support
| Feature | Desktop | Mobile | ||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Safari | Chrome Android | Safari iOS | |
| 76 | 79 | 103 | 18 | 76 | 18 | |
1+Supported (version) Not supported ※Has note Sub-feature descriptions sourced from MDN Web Docs (CC BY-SA 2.5)
Notes 2 item(s)
Removed
- This feature was removed in a later browser version (79)
Compatibility
- Available with a vendor prefix: -webkit- (17)
Notes 1 item(s)
Implementation note
- Before Firefox 123, the property was not supported on systems with unknown GPU vendor (see bug 1868737).
Notes 1 item(s)
Compatibility
- Available with a vendor prefix: -webkit- (9)
Notes 1 item(s)
Compatibility
- Available with a vendor prefix: -webkit- (9)
Syntax
CSS
.glass-panel {
background: rgba(255, 255, 255, 0.2);
backdrop-filter: blur(12px) saturate(180%);
-webkit-backdrop-filter: blur(12px) saturate(180%);
border: 1px solid rgba(255, 255, 255, 0.3);
border-radius: 12px;
}
.navbar {
background: rgba(0, 0, 0, 0.5);
backdrop-filter: blur(8px);
} Live demo
Use cases
-
Maintainable CSS architecture
Use backdrop-filter to make stylesheet intent clearer in larger codebases and shared design systems.
-
Fallback management
Control resets, imports, inheritance, or feature branches with explicit CSS rules instead of ad hoc duplication.
Cautions
- Cascade-level tools are powerful, so misuse can make style ownership harder to understand.
- Keep rules scoped and documented when they affect many selectors or entire stylesheets.
Accessibility
- Global CSS controls should not accidentally remove focus, contrast, or structural cues.
- Fallback paths should remain readable and functional, especially for assistive-technology users.