//make borders for edges with default border width and color
- (void)makeBorders;

//make border for a edge which can be top/left/bottom/right with custom border width and color 
- (void)makeBordersWithWidth:(float)width color:(UIColor *)color position:(LPBorderPosition)position;

//make borders for some edges with an array, you can custom border width and color too
- (void)makeBordersWithWidth:(float)width color:(UIColor *)color positions:(NSArray *)positions;