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CSS Reference

CSS Reference CSS Browser Support CSS Selectors CSS Functions CSS Reference Aural CSS Web Safe Fonts CSS Fallback Fonts CSS Animatable CSS Units CSS PX-EM Converter CSS Colors CSS Color Values CSS Default Values CSS Entities

CSS Properties

accent-color align-content align-items align-self all animation animation-delay animation-direction animation-duration animation-fill-mode animation-iteration-count animation-name animation-play-state animation-timing-function backdrop-filter backface-visibility background background-attachment background-blend-mode background-clip background-color background-image background-origin background-position background-repeat background-size border border-bottom border-bottom-color border-bottom-left-radius border-bottom-right-radius border-bottom-style border-bottom-width border-collapse border-color border-image border-image-outset border-image-repeat border-image-slice border-image-source border-image-width border-left border-left-color border-left-style border-left-width border-radius border-right border-right-color border-right-style border-right-width border-spacing border-style border-top border-top-color border-top-left-radius border-top-right-radius border-top-style border-top-width border-width bottom box-decoration-break box-shadow box-sizing break-after break-before break-inside caption-side caret-color @charset clear clip clip-path color column-count column-fill column-gap column-rule column-rule-color column-rule-style column-rule-width column-span column-width columns content counter-increment counter-reset cursor direction display empty-cells filter flex flex-basis flex-direction flex-flow flex-grow flex-shrink flex-wrap float font @font-face font-family font-feature-settings font-kerning font-size font-size-adjust font-stretch font-style font-variant font-variant-caps font-weight gap grid grid-area grid-auto-columns grid-auto-flow grid-auto-rows grid-column grid-column-end grid-column-gap grid-column-start grid-gap grid-row grid-row-end grid-row-gap grid-row-start grid-template grid-template-areas grid-template-columns grid-template-rows hanging-punctuation height hyphens image-rendering @import isolation justify-content @keyframes left letter-spacing line-height list-style list-style-image list-style-position list-style-type margin margin-bottom margin-left margin-right margin-top mask-image mask-mode mask-origin mask-position mask-repeat mask-size max-height max-width @media min-height min-width mix-blend-mode object-fit object-position opacity order orphans outline outline-color outline-offset outline-style outline-width overflow overflow-wrap overflow-x overflow-y padding padding-bottom padding-left padding-right padding-top page-break-after page-break-before page-break-inside perspective perspective-origin pointer-events position quotes resize right row-gap scroll-behavior tab-size table-layout text-align text-align-last text-decoration text-decoration-color text-decoration-line text-decoration-style text-decoration-thickness text-indent text-justify text-overflow text-shadow text-transform top transform transform-origin transform-style transition transition-delay transition-duration transition-property transition-timing-function unicode-bidi user-select vertical-align visibility white-space widows width word-break word-spacing word-wrap writing-mode z-index


CSS Lessons for beginners

Ua

CSS Aural Reference


Aural Style Sheets

Aural style sheets use a combination of speech synthesis and sound effects to make the user listen to information, instead of reading information.

Aural presentation can be used:

  • by blind people
  • to help users learning to read
  • to help users who have reading problems
  • for home entertainment
  • in the car
  • by print-impaired communities

The aural presentation converts the document to plain text and feed this to a screen reader (a program that reads all the characters on the screen).

An example of an Aural style sheet:

h1, h2, h3, h4 {
  voice-family: male;
  richness: 80;
  cue-before: url("beep.au")
}

The example above will make the speech synthesizer play a sound, then speak the headers in a very rich male voice.


CSS Aural Reference

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

Property Description Values CSS
azimuth Sets where the sound should come from angle
left-side
far-left
left
center-left
center
center-right
right
far-right
right-side
behind
leftwards
rightwards
2
cue Sets the cue properties in one declaration cue-before
cue-after
2
cue-after Specifies a sound to be played after speaking an element's content none
url
2
cue-before Specifies a sound to be played before speaking an element's content none
url
2
elevation Sets where the sound should come from angle
below
level
above
higher
lower
2
pause Sets the pause properties in one declaration pause-before
pause-after
2
pause-after Specifies a pause after speaking an element's content time
%
2
pause-before Specifies a pause before speaking an element's content time
%
2
pitch Specifies the speaking voice frequency
x-low
low
medium
high
x-high
2
pitch-range Specifies the variation in the speaking voice. (Monotone voice or animated voice?) number 2
play-during Specifies a sound to be played while speaking an element's content auto
none
url
mix
repeat
2
richness Specifies the richness of the speaking voice. (Rich voice or thin voice?) number 2
speak Specifies whether content will render aurally normal
none
spell-out
2
speak-header Specifies how to handle table headers. Should the headers be spoken before every cell, or only before a cell with a different header than the previous cell always
once
2
speak-numeral Specifies how to speak numbers digits
continuous
2
speak-punctuation Specifies how to speak punctuation characters none
code
2
speech-rate Specifies the speed of the speaking number
x-slow
slow
medium
fast
x-fast
faster
slower
2
stress Specifies the "stress" in the speaking voice number 2
voice-family Specifies the voice family of the speaking specific-voice
generic-voice
2
volume Specifies the volume of the speaking number
%
silent
x-soft
soft
medium
loud
x-loud
2