1. Click on your name at the top-right corner of the screen, then select the "Preferences" option.
2. Select the "Notifications" option.
3. Scroll down and toggle the checkboxes for the various notifications to configure their visibility. For example, if you do not want to see the special occasion banners, then check the box "Do not show the Special Occasion Banner".

4. Click the Save Changes button at the top of this screen to keep your changes.