| PASS | All properties can serialize 'initial' | |
| PASS | All properties (except 'all') can serialize their initial value (computed) | |
| PASS | All properties (except 'all') can serialize their initial value (specified) | |
| PASS | All shorthands can serialize their longhands set to 'initial' | |
| PASS | All shorthands (except 'all') can serialize their longhands set to their initial value | |
| PASS | All aliases can serialize target property set to 'initial' | |
| PASS | All aliases can serialize target property set to its initial value | |
| PASS | Can't serialize shorthand when longhands are set to different css-wide keywords | |
| PASS | Can't serialize shorthand when longhands have different priority | |
| PASS | Can't serialize shorthand set to 'initial' when some longhand is missing | |
| PASS | Can't serialize shorthand set to initial value when some longhand is missing | |