Nick: SELFHTML widerspricht W3C

Beitrag lesen

"Die Reihenfolge der Einzelangaben ist egal." [1]

"It does not matter if one of the property values is missing, as long as the ones that are present are in this order." [2]

Links:
[1] http://de.selfhtml.org/css/eigenschaften/hintergrund.htm#background
[2] http://www.w3schools.com/css/css_background.asp