Available on js
@:value(cast "border")@:impl@:enuminlineread onlyBORDER:CSSBoxType = "border"
@:value(cast "content")@:impl@:enuminlineread onlyCONTENT:CSSBoxType = "content"
@:value(cast "margin")@:impl@:enuminlineread onlyMARGIN:CSSBoxType = "margin"
@:value(cast "padding")@:impl@:enuminlineread onlyPADDING:CSSBoxType = "padding"