app/layouts/normal_button_styles.rb
module NormalButtonStyles
def set_button_title_color
setTitleColor(:blue.uicolor, forState: :normal.uicontrolstate)
setTitleColor(:light_gray.uicolor, forState: :highlighted.uicontrolstate)
setTitleColor(:light_gray.uicolor(0.5), forState: :disabled.uicontrolstate)
end
end