Setting the color of button text to black in CSS vs. Objective-C.

gistfile1.css

.button { color: black; }

gistfile2.m

- (void)customizeAppearance
{
    [[UIBarButtonItem appearance] setTitleTextAttributes:
        [NSDictionary dictionaryWithObjectsAndKeys:
            [UIColor colorWithRed:0.0/255.0 green:0.0/255.0 blue:0.0/255.0 alpha:1.0],
            UITextAttributeTextColor,
            [UIColor colorWithRed:255.0/255.0 green:255.0/255.0 blue:255.0/255.0 alpha:0.0],
            UITextAttributeTextShadowColor,
            nil]
        forState:UIControlStateNormal];
}