W3C godkender ikke scrollbar properties i CSS fil

Hej E

Hvordan kan det være at W3C siger dette - og hvordan gør jeg det korrekt?



Line: 0 Context : body
Property scrollbar-face-color doesn't exist : #cccccc

Line: 0 Context : body
Property scrollbar-track-color doesn't exist : #6f8f90

Line: 0 Context : body
Property scrollbar-arrow-color doesn't exist : #000000

Line: 0 Context : body
Property scrollbar-3d-light-color doesn't exist : #cccccc

Line: 0 Context : body
Property scrollbar-base-color doesn't exist : #5f9ea0

Line: 0 Context : body
Property scrollbar-dark-shadow-color doesn't exist : #276b72

Line: 0 Context : body
Property scrollbar-highlight-color doesn't exist : #819883

Line: 0 Context : body
Property scrollbar-shadow-color doesn't exist : #809999




På forhånd tak for hjælpen.