- (void)drawRect:(CGRect)rect {

CGFloat lineWidth = 2;

CGRect borderRect = CGRectMake(self.frame.size.width/2, self.frame.size.height - 20, 10.0, 10.0);

borderRect = CGRectInset(borderRect, lineWidth * 0.5, lineWidth * 0.5);

CGContextRef context = UIGraphicsGetCurrentContext();

CGContextSetRGBStrokeColor(context, 85.0/255.0, 143.0/255.0, 220.0/255.0, 1.0);

CGContextSetRGBFillColor(context, 5.0/255.0, 43.0/255.0, 20.0/255.0, 1.0);

CGContextSetLineWidth(context, 2.0);

CGContextFillEllipseInRect (context, borderRect);

CGContextStrokeEllipseInRect(context, borderRect);

CGContextFillPath(context);

}