mask-origin

Selector	Style	Variables Required
`.mask-origin-border`	`mask-origin: border-box`	-
`.mask-origin-padding`	`mask-origin: padding-box`	-
`.mask-origin-content`	`mask-origin: content-box`	-
`.mask-origin-fill`	`mask-origin: fill-box`	-
`.mask-origin-stroke`	`mask-origin: stroke-box`	-
`.mask-origin-view`	`mask-origin: view-box`	-