How to hide the button? [duplicate]

Question

I'm using SharePoint Online modern UI.

And, I want to hide Quick edit, Sync, Export to Excel, PowerApps, Automate from my site.

Please check below picture.

Could you tell me how to hide that menu?

Answer 1

You could use spfx to upload custom css file to sharepoint online to hide special button.

Example on how to upload css file in spfx:

https://github.com/hugoabernier/react-application-injectcss