I’m unable to find a solution for that. Tried e-mailing email@example.com w/o success, got a reply stating that my support ticket was declided and I needed to use the contact form instead. I tried that but couldn’t find a cathegory matching my problem so I got directed to here.
The original issue is related to label appearance near issues and pull requests while using Mozilla Firefox 75.0 running on latest Ubuntu Linux 20.04 release. The gap below label text is larger than above it and Arial font is not detected even if package including it is installed on the system. Other sites display Arial font corrently.