Explainers for several kinds of units proposed for inclusion in CSS (and SCSS and LESS)
- anthropometric units related to the human body and mind, which may adapt to the user to improve acessibility, e.g.
tip
- real physical length units that do not depend on the display environment (and are never anchored on
px
) - traditional or local typographic length units like the Didot point
- adaptive length units relating to the measures of the actual font used (like
em
etc.), e.g. upstroke thickness