Thank you Binaya for your help. I added the codes and the color has changed.
I would like that my mobile menu has the same look as the menu on computers. I would like to change the color of the lines between the submenu parts (in the ‘normal’ menu you can change it in the customizer by colors and ‘submenu border lines’) – I like to change all lines in the menu shown on mobile phones.
I’d also like to change the ‘active background color’ of menu button shown on small devices.I tried a few codes; but that didn’t change it.
Please can you help? I think I need a few other codes.
Is it possible to change the letters of menu items into small ones? They are all shown in capital letters. Also the header of the page – ‘websitetitle’ is shown in capital letters. I’d like to change it in small letters. Is there a possibility to do that?