display: rubyLimited availability
The display: ruby CSS declaration renders an element with the box layout of a <ruby> HTML element. Child elements may use equivalents to <ruby> internal elements such as display: ruby-base for <rb>.
Not yet supported in all major browsers — check the table and provide a fallback.
Browser support
DesktopChrome
✕Not supportedup to 155
Current: 155Edge
✕Not supportedup to 154
Current: 154Firefox
1–87Not supported
88+Supportedsince Apr 19, 2021
Current: 157Safari
✕Not supportedup to 27
Current: 27MobileChrome Android
✕Not supportedup to 155
Current: 155Firefox Android
4–87Not supported
88+Supportedsince Apr 19, 2021
Current: 157Safari iOS
✕Not supportedup to 27
Current: 27How 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 (display: ruby) {
/* styles that rely on display: ruby */
}
/* or in JavaScript */
if (CSS.supports("display", "ruby")) {
// use it
}Specification
Sub-features
Support for each part of the feature (6). The overall table above shows when the whole feature works.
| Sub-feature | Chrome | Edge | Firefox | Safari | Chrome Android | Firefox Android | Safari iOS |
|---|---|---|---|---|---|---|---|
| display.ruby | 121 | 121 | 38 | ✕ | 121 | 38 | ✕ |
| display.ruby-base | ✕ | ✕ | 38 | ✕ | ✕ | 38 | ✕ |
| display.ruby-base-container | ✕ | ✕ | 38 | ✕ | ✕ | 38 | ✕ |
| display.ruby-text | 121 | 121 | 38 | ✕ | 121 | 38 | ✕ |
| display.ruby-text-container | ✕ | ✕ | 38 | ✕ | ✕ | 38 | ✕ |
| ruby-position.alternate | ✕ | ✕ | 88 | ✕ | ✕ | 88 | ✕ |