How can I change the font and letter case in my Narrative theme menu?

[Sadea]

@oscprofessional

Now this is larger than the above.

[oscprofessional]

@Sadea

remove this css too

[Sadea]

@oscprofessional

But now the text is small, like before

[oscprofessional]

@Sadea

Okay I am giving one CSS please go ahead