To change the way your notifications are displayed, go to your profile by clicking on the icon 
in the navigation bar.
On the new screen that appears, click on "My Account" and then select "Manage my notifications" at the bottom of the page.
Smartphones :
Apple : https://support.apple.com/fr-fr/guide/iphone/iph7c3d96bab/ios
Android : https://support.google.com/android/answer/9079661?hl=fr
Browers :
Chrome : https://support.google.com/chrome/answer/3220216?co=GENIE.Platform%3DDesktop&hl=fr
Firefox : https://support.mozilla.org/fr/kb/notifications-web-push-firefox
Safari : https://support.apple.com/fr-fr/guide/safari/sfri40734/mac