:not()Baseline · Widely available

The :not() functional pseudo-class matches elements that do not match the selectors in its argument.

Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since Jan 21, 2021. Widely available since Jul 21, 2023.

How to use ↓Compare browsers

Browser support

DesktopChrome

1–87Not supported

88+Supportedsince Jan 19, 2021

Current: 155

Edge

12–87Not supported

88+Supportedsince Jan 21, 2021

Current: 154

Firefox

1–83Not supported

84+Supportedsince Dec 15, 2020

Current: 157

Safari

1–8Not supported

9+Supportedsince Sep 30, 2015

Current: 27

MobileChrome Android

18–87Not supported

88+Supportedsince Jan 19, 2021

Current: 155

Firefox Android

4–83Not supported

84+Supportedsince Dec 15, 2020

Current: 157

Safari iOS

1–8Not supported

9+Supportedsince Sep 16, 2015

Current: 27

How to use

This feature is Baseline widely available — use it freely, no fallback needed.

Example

Full syntax and examples are on MDN: :not.

Feature detection

CSS · check before using

@supports selector(:not(*)) {
  /* styles that use :not(*) */
}

/* or in JavaScript */
if (CSS.supports("selector(:not(*))")) {
  // use it
}

Sub-features

Support for each part of the feature (2). The overall table above shows when the whole feature works.

Sub-feature	Chrome	Edge	Firefox	Safari	Chrome Android	Firefox Android	Safari iOS
not	1	12	1	3.1	18	4	2
not.selector_list	88	88	84	9	88	84	9

Browser support

How to use

Example

Feature detection

Documentation (MDN)

Specification

Usage share

Sub-features