initial
sets the property back to the browser default value for that element.
W3C has provided an initial value for each property. This is the value that is used when no value is specified for any property.
inherit
use the value for the property in the parent element.
unset
means inherit
initial
revert
means inherit
revert
sets the property to the value in browser’s default stylesheet.where default property values are set to computed values of parent value
azimuth
border-collapse
border-spacing
caption-side
color
cursor
direction
elevation
empty-cells
font-family
font-size
font-style
font-variant
font-weight
font
letter-spacing
line-height
list-style
list-style-image
list-style-position
list-style-type
orphans
pitch-range
pitch
quotes
richness
speak
speak-header
speak-numeral
speak-punctuation
speech-rate
stress
text-align
text-indent
text-transform
visibility
voice-family
volume
white-space
widows
word-spacing