is -negative margin or padding invalid CSS according to W3C?

Asked 26/10, 2009 at 5:4 Answered 26/10, 2009 at 5:5

is -negative margin or padding are invalid CSS aaccording to W3C ?

Rn answered 26/10, 2009 at 5:4 Comment(0)

Unlike margin properties, values for padding values cannot be negative

Yemen answered 26/10, 2009 at 5:5 Comment(1)

Indeed. Negative margins are a key element of the Skidoo Layout, for example: webhost.bridgew.edu/etribou/layouts/skidoo – Remote 27/10, 2009 at 0:10