How do I edit notices?

[djxcee]

https://vborg.vbsupport.ru/external/2008/09/7.png

I would like to change the title bar to match my forum and there's too much space below.
Can't seem to find $notice_html or navbar_notice css info. How do I edit notice?

[SEOvB]

Its in the navbar template

[Vindictive]

I thought it was AdminCP>Notices?