.grid-gap

.grid-gap-child 

.grid-gap-rim

.grid-gap-rim-child 

.grid-gap-feat

.grid-gap-feat-child

.row-gap

.row-gap-child 

.row-gap-rim

.row-gap-rim-child 

.row-gap-feat

.row-gap--feat-child 

.col-gap

.col-gap-child 

.col-gap-rim

.col-gap-rim-child 

.col-gap-feat

.col-gap--feat-child