Applies to: BoxView, Button, Frame, ImageButton The following classes are provided to adjust the radius of borders. ClassProperty .rounded-smborder-radius: 4; .roundedborder-radius: 8; .rounded-lgborder-radius: 16; .rounded-fullborder-radius: 1000; (not recommended on iOS) Note that for normal sized buttons values above 22 cause rendering issues on iOS. Use 22 for fully rounded buttons.