rem (root em) units
- CRType of unit similar to em
, but relative only to the root element, not any parent element. Thus compounding does not occur as it does with em
units.
IE
- 5.5 - 8: Not supported
- 9 - 10: Partial support
- 11: Supported
Edge
- 12 - 89: Supported
- 90: Supported
Firefox
- 2 - 3.5: Not supported
- 3.6 - 86: Supported
- 87: Supported
- 88 - 89: Supported
Chrome
- 4 - 89: Supported
- 90: Supported
- 91 - 93: Supported
Safari
- 3.1 - 4: Not supported
- 5 - 13.1: Supported
- 14: Supported
- TP: Supported
Opera
- 9 - 11.5: Not supported
- 11.6 - 72: Supported
- 73: Supported
Safari on iOS
- 3.2: Not supported
- 4 - 4.3: Supported
- 5: Partial support
- 6 - 13.7: Supported
- 14: Supported
Opera Mini
- all: Supported
Android Browser
- 2.1 - 4.4.4: Supported
- 89: Supported
Opera Mobile
- 10 - 11.5: Not supported
- 12 - 12.1: Supported
- 62: Supported
Chrome for Android
- 89: Supported
Firefox for Android
- 86: Supported
UC Browser for Android
- 12.12: Supported
Samsung Internet
- 4 - 12.0: Supported
- 13.0: Supported
QQ Browser
- 10.4: Supported
Baidu Browser
- 7.12: Supported
KaiOS Browser
- 2.5: Supported
- Resources:
- Article on usage
- REM Polyfill