Function add

Parameters

• left: string | number | CSSDimensionObject & { type: CSSAngleType } | CSSDimensionObject & { type: "percent" } | CSSDimensionObject & { type: CSSLengthType } | CSSDimensionObject & { type: "fr" } | CSSDimensionObject & { type: CSSTimeType } | CSSDimensionObject & { type: CSSResolutionType }

• right: string | number | CSSDimensionObject & { type: CSSAngleType } | CSSDimensionObject & { type: "percent" } | CSSDimensionObject & { type: CSSLengthType } | CSSDimensionObject & { type: "fr" } | CSSDimensionObject & { type: CSSTimeType } | CSSDimensionObject & { type: CSSResolutionType }