voice-rate CSS property.

Values: [normal | x-slow | slow | medium | fast | x-fast] || <percentage>
Initial value: normal
Applies to: all elements
Inherit: yes
Percentages: refer to default value
Animatable:
Media: speech
Computed value:

CSS Standards

CSS 1
CSS 2
CSS 2.1
CSS 3
No
No
No
Yes