Pre tag overflows its container and blocks proper rendering of the event list on small devices
The problem is that the right button to edit are not visible any more. The page can be scrooled horizontally but it is a pain.
Somehow the pre has to fit inside its container when it becomes larger than it. This problem can occur on user comment in case the user inserts a pre (ie copy some html) inside the editor. But it will also occur on notifications if they are too long.