Scroll Snap

Property	Expected Values	Example
`scroll-snap-type`	`none`, `x`, `y`, `block`, `inline`, `both`, `x-mandatory`, `y-mandatory`, `block-mandatory`, `inline-mandatory`, `both-mandatory`, `x-proximity`, `y-proximity`, `block-proximity`, `inline-proximity`, `both-proximity`	`scroll-snap-type:x-mandatory`
`scroll-snap-align`	`none`, `start`, `end`, `center`	`scroll-snap-align:center`