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 inheritinitialrevert means inheritrevert sets the property to the value in browser’s default stylesheet.where default property values are set to computed values of parent value
azimuthborder-collapseborder-spacingcaption-sidecolorcursordirectionelevationempty-cellsfont-familyfont-sizefont-stylefont-variantfont-weightfontletter-spacingline-heightlist-style
list-style-imagelist-style-positionlist-style-typeorphanspitch-rangepitchquotesrichnessspeakspeak-headerspeak-numeralspeak-punctuationspeech-ratestresstext-aligntext-indenttext-transformvisibilityvoice-familyvolumewhite-spacewidowsword-spacing