OptionalroundOptionaldasharrayOptionalmarginOptionalproportionalIf true, all dimensions are proportional to the code size,
i.e. size: 0.1 means the border thickness is 1/10 of the QR code size
This is useful to keep the border visually consistent regardless of the amount of data
Note: if using dasharray, use percentage values to maintain consistency
OptionaltextOptionalfontA string of embedded CSS
Border roundnes, from 0 (square) to 1 (circle)