em, px, pt, cm, inâ¦. CSS offers a number of different units for expressing length. Some have their history in typography, such as point (pt) and pica (pc), others are known from everyday use, such as centimeter (cm) and inch (in). And there is also a âmagicâ unit that was invented specifically for CSS: the px.
authoritative adjective. âº having the âpower of âspecial âknowledge, or (of a âperson) âshowing the âconfidence of having âspecial âknowledge: an authoritative âmanner Her âopinion on the âsubject was âconsidered authoritative. having the âpower of âspecial âknowledge, or (of a âperson) âshowing the âconfidence of having âspecial âknowledge: an authoritative âmanner Her âopinion on the âsubject was âconsidered authoritative.
For other uses, see Authority (disambiguation). The word authority (derived from the Latin word auctoritas) can be used to mean the right to exercise power given by the State (in the form of government, judges, police officers, etc.), or by academic knowledge of an area (someone that can be an authority on a subject).