| PASS Default grid-column-gap is 'normal' | |
| PASS grid-column-gap accepts pixels | |
| PASS grid-column-gap accepts em | |
| PASS grid-column-gap accepts vw | |
| PASS grid-column-gap accepts percentage | |
| PASS grid-column-gap accepts calc() | |
| PASS grid-column-gap accepts calc() mixing fixed and percentage values | |
| PASS Initial grid-column-gap is 'normal' | |
| PASS Initial grid-column-gap is 'normal' 2 | |
| PASS Initial inherited grid-column-gap is 'normal' | |
| PASS grid-column-gap is inheritable | |
| PASS Negative grid-column-gap is invalid | |
| PASS 'max-content' grid-column-gap is invalid | |
| PASS 'none' grid-column-gap is invalid | |
| PASS grid-column-gap with multiple values is invalid | |
| PASS Angle grid-column-gap is invalid | |
| PASS Resolution grid-column-gap is invalid | |
| PASS Time grid-column-gap is invalid | |