🏠 New in Low Baseline Support: rem
July 29, 2015
The rem CSS length unit is a font-relative length that is equal to the font size of the root HTML element which for most browsers is 16px.
Source features
css.types.length.rem[mdn]
July 29, 2015
The rem CSS length unit is a font-relative length that is equal to the font size of the root HTML element which for most browsers is 16px.
css.types.length.rem [mdn]