rem (root em) units
Type 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 | Edge | Firefox | Chrome | Safari | Opera | iOS Safari | Opera Mini | Android Browser | Blackberry Browser | Opera Mobile | Chrome for Android | Firefox for Android | IE Mobile | UC Browser for Android | Samsung Internet | QQ Browser | Baidu Browser |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
49 | |||||||||||||||||
56 | 9.3 | 4.4 | |||||||||||||||
14 | 52 | 57 | 10 | 10.0-10.2 | 4.4.3-4.4.4 | 4 | |||||||||||
11 | 15 | 53 | 58 | 10.1 | 44 | 10.3 | all | 56 | 10 | 37 | 57 | 52 | 11 | 11.4 | 5 | 1.2 | 7.12 |
54 | 59 | TP | 45 | ||||||||||||||
55 | 60 | 46 | |||||||||||||||
56 | 61 |
Notes
-
1
IE 9 & IE 10 do not support
rem
units when used in thefont
shorthand property (the entire declaration is ignored) or when used on pseudo elements. -
2
iOS Safari 5.0-5.1 support
rem
but not in combination with media queries.