Notifications are not displayed properly in Profile's Network tab

STEPS TO REPRODUCE

Preconditions: An user (e.g. U1) is already created.

1. Login as U1
2. Go to Notifications > Settings and set Pages Notifications to ON
3. Go to User Index and click on Admin's profile
4. Click 'Not following' button and select 'Start following'
5. Login as Admin
6. Create/update/comment some pages
7. Login as U1
8. Go to Profile > Network tab

EXPECTED RESULTS

The list of notifications for events performed by the followed users (in this case by Admin) is displayed properly.

ACTUAL RESULTS

The top notification from the list has extra space at the bottom (screenshot attached).