Sounds good. Feel free to test in incognito mode for Safari: https://support.apple.com/en-gb/guide/safari/browse-in-private-ibrw1069/mac
What may be causing the issue is an interfering browser extension, and using Incognito mode will help us determine if that may be the case.
If the issue continues, please take a screenshot of your Console.
To access the developer console in Safari, use the Develop > Show Error Console menu item (Option-Cmd-C):
If you don’t see the Develop menu, you’ll need to turn it on using Safari Preferences. Open Safari > Preferences, and click on the Advanced Tab. At the bottom of the pane, check the box next to “Show Develop Menu in menu bar”:
The Develop menu will appear and you’ll be able to access the Show Error Console menu item.