Yes, actually, one of the preinstalled themes is activated. Normally you have to pick the option that says something along the lines of “don’t use themes” inside Tools/Preferences/LibreOffice/Application_Colors or something (depends on the language). That would make the desktop theme apply properly over LibreOffice.
You might need to reboot LibreOffice to see the changes take effect.
You can not torrent the videos if you are scared of that, it’s a toggle.