I want to see breadcrumbs and title in blog main page.
In archive pages I do see the title and breadcrumbs, but not the title background that runs across the site
and if I want to customize it – what should I do?
I have knowledge in PHP HTML etc. but I see that you have a lot of actions there, so I prefer to get the instruction from you than trial and error by myself
Unfortunately there isn’t a way to add a title bar to WP archive pages, it’s possible only with our archive pages – meaning post-format pages (when you create a new page there’s a Posts tab).
However, you could try looking this up in the WP codex area, maybe they have a suggestion for you: