
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