Forum Headers (Title, Navigation bar, Main logo)

How can I change my board title?

To change your forum title, you must do this
Admin Panel
General Admin
Configuration
Site Name > Change it

I added a banner which contains my board title. How can remove the title?

To remove it
Admin Panel
Click on the yellow arrow at the bottom
General Admin
Headers
Display forum title > No

My logo is on the left. How can I put it at the center or at the right?

To do it
Admin Panel
Click on the yellow arrow
General Admin
Headers
Logo positioning > You choose the position

I replaced the basic header buttons (FAQ, Search, etc.) for big buttons to form a bar, but I don't have the same result than in this support forum!

To form a bar like the orange bar in this forum, you have a manipulation to do
Admin Panel
Click on the yellow arrow
General Admin
Headers
Display only images in the link bar > Yes

How can I make the forum logo disappear?

To make the logo disappear, you must use a transparent 1*1 pixel gif image. Here is the adress to put : https://2img.net/i/empty.gif

You just have to put it in
Admin Panel
Style Admin
Logos & Pictures
Forum main logo > Change the URL address for the new one I put above.