KVNProgressConfiguration *configuration = [[KVNProgressConfiguration alloc] init];

configuration.statusColor = RGBCOLOR(96, 91, 95);
configuration.statusFont = [UIFont fontWithName:@"OpenSans-Light" size:17]; //использовать шрифт приложения
configuration.circleStrokeForegroundColor = RGBCOLOR(86, 86, 86);
configuration.circleStrokeBackgroundColor = [UIColor colorWithWhite:1.0f alpha:0.3f];
configuration.circleFillBackgroundColor = [UIColor colorWithWhite:1.0f alpha:0.1f];
configuration.successColor = RGBCOLOR(86, 86, 86);
configuration.errorColor = RGBCOLOR(86, 86, 86);
configuration.circleSize = 33.0f;
configuration.lineWidth = 1.0f;
configuration.minimumDisplayTime = 0.5;
configuration.minimumErrorDisplayTime = 1.5;
configuration.minimumSuccessDisplayTime = 1.5;

[KVNProgress setConfiguration:configuration];