Value Types and Units

Media Queries Rec 2012-06-19

• <ratio>
• <resolution>
  • dpi, dpcm

Color Module Level 3 Rec 2011-06-07

• <color>

Backgrounds and Borders Module Level 3 CR 2012-07-24

• <position>

Image Values and Replaced Content Module Level 3 CR 2012-04-17

• <image>

Functional notation

• 'image()'

Other Units

• <resolution>
  • dpi, dpcm, dppx

Speech Module CR 2012-03-20

Other Units

• <semitones>
  • st
• <decibel>
  • dB

Values and Units Module Level 3 CR 2013-04-04

Textual Data Types

• Keywords
  • initial, inherit
• <string>
• <url>

Numeric Data Types

• <integer>
• <number>
• <percentage>

Distance Units: <length>

• Font-relative: em, ex, ch, rem
• Viewport-percentage: vw, vh, vmin, vmax
• Absolute: cm, mm, in, pt, pc, px

Other Units

• <angle>
  • deg, grad, rad, turn
• <time>
  • ms, s
• <frequency>
  • Hz, kHz
• <resolution>
  • dpi, dpcm, dppx

Defined elsewhere

• <color>: CSS 2.1 and CSS3 Color
• <image>: <url> and CSS3 Images
• <position>: CSS 2.1 and CSS3 Borders and Background

Functional notation

• 'calc()'
• 'toggle()'
• 'attr()'

Custom Properties for Cascading Variables Module Level 1 WD 2013-03-12

• the 'var()' notation

Cascading and Inheritance Level 3 WD 2013-01-03

• initial
• inherit
• default

Template Layout Module WD 2011-11-29

• fr

CSS 2.1 Rec 2011-06-07

• <integer> and <number>
• <length>
• <percentage>
• <uri>
• <counter>
• <color>
• <string>
• <angle>
• <frequency>
• <time>