
PASS Rule with no attributes 
PASS Shorthands with double value 
PASS Shorthands with single value 
PASS Shorthands should override properties if defined later 
PASS All valid properties with valid intial values 
PASS All valid properties with valid values 
PASS All valid properties with invalid intial values 
PASS Negative numbers should be dropped on zoom attribute 
PASS Viewport attributes inside selectors should be dropped 
PASS Invalid attributes among valid should be dropped 

