CSS Reference

CSS Property Groups

Background
Border and outline
Dimension
Font

Generated content
List
Margin
Padding
Positioning

Print
Table
Text
Pseudo-classes/elements

The links in the "Property" column point to syntax, examples, browser [...]

CSS Aural Reference

Aural Style Sheets
Aural style sheets use a combination of speech synthesis and sound effects to make the user [...]

CSS Web Safe Font Combinations

Commonly Used Font Combinations
The font-family property should hold several font names as a "fallback" system, to [...]

CSS Units

Measurement Values

Unit
Description

%
percentage

in
inch

cm
centimeter

mm
millimeter

em
1em is equal to the current font size. 2em means 2 times the size of the current [...]

CSS Colors

Colors are displayed combining RED, GREEN, and BLUE light.

Color Values
CSS colors are defined using a hexadecimal (hex) notation for [...]

CSS Color Values

CSS Color Values
The table below provides a list of the color values that are supported by all major [...]

CSS Color Names

CSS Color Names
The table below provides a list of the color names that are supported by all major [...]

CSS Reference – A to Z

The "CSS" column indicates in which CSS version the property is defined (CSS1 or CSS2).

Property
Description
CSS

background
Sets all the background [...]