coderef

Reversed counter-resetLimited availability

The reversed() CSS function for counter-reset creates a counter that counts down.

Not yet supported in all major browsers — check the table and provide a fallback.

How to use ↓Compare browsers

Browser support

DesktopChrome
✕Not supportedup to 155
Current: 155
Edge
✕Not supportedup to 154
Current: 154
Firefox
1–95Not supported
96+Supportedsince Jan 11, 2022
Current: 157
Safari
✕Not supportedup to 27
Current: 27
MobileChrome Android
✕Not supportedup to 155
Current: 155
Firefox Android
4–95Not supported
96+Supportedsince Jan 11, 2022
Current: 157
Safari iOS
✕Not supportedup to 27
Current: 27

How to use

Not supported in Chrome, Edge, Safari, Chrome Android, Safari iOS. Use feature detection below and provide a fallback (or a polyfill) for those browsers.

Example

Full syntax and examples are on MDN — see the links below.

Feature detection

CSS · check before using
@supports (counter-reset: reversed) {
  /* styles that rely on counter-reset: reversed */
}

/* or in JavaScript */
if (CSS.supports("counter-reset", "reversed")) {
  // use it
}

Specification