Units of Measure
= Index DOT Css by Brian Wilson [bloo@blooberry.com] =

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What is it?
CSS is used to render information to a device. These devices exist in the real world and have dimensions and capabilities that are measurable. So, CSS provides a way for document content to explicitly specify how it will be mapped to a physical device. If a property value contains an illegal unit measure, the entire style rule should be ignored.
CSS Units
Relative Length
CSS1 | CSS2 | IE3 | N4B3 | O3.5
Ems (em), X-Height (ex), Pixels (px)
Absolute Length
CSS1 | CSS2 | IE3 | N4 | O3.5
Inches (in), Centimeters (cm), Millimeters (mm), Points (pt), Picas (pc)
CSS1 | CSS2 | IE3 | N4 | O3.5
Relative URLs, Absolute URLs
CSS1 | CSS2 | IE3B1 | N4B2 | O3.5
Single Hex notation ([#RGB]), Double Hex notation ([#RRGGBB]),
Integer notation ([rgb(r,g,b)]), Percentage notation ([rgb(r%,g%,b%)]),
VGA color names ([VGA Name]), UNIX X11 color names ([X11 Name]),
User Interface color names ([UI Name])
Degrees (deg), Grads (grad), Radians (rad)
Seconds (s), Milliseconds (ms)
Hertz (Hz), KiloHertz (kHz)

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