Change Design of Navigation Wizard Buttons

I would like to change the design of my navigation wizard buttons
grafik

I want them to look like tabs
grafik

Do I have to use borders to change the design like this?
Or is there anoter way to realize this?

Hi Patrick,
yes, to change your wizard buttons to this tab like styling you need to use borders and box-shadows in your custom CSS.
Hope this helps!

Regards,
Nadja