Which resources should i modify

I have installed my Jitsi server, I have few questions in the web part of jitsi

1-How to modify the initial page which I see in my server when I access meet.jisi…attached for your reference…please locate me the file path

2-How to hide the ‘More actions’ buttons from the video conferencing screen on the website
3-Branding like changing the icon, logo …which folder and files should I check for those ?

Thanks in advance.

You can find the answers to all these questions by searching through the forum.