Buttons overlap messages

[chartpath]

I'm just getting started with Messenger development, and not sure how to turn on dev tools within the app, so not sure how to contribute a fix just yet.

Looks like there could be negative or zeroed top margin on the button container:

[rsms]

Does this work for you in Safari? (FWIW, this app doesn't change any CSS of messenger.com so I'd be surprised if this app causes those issues. Also try different window sizes and zoom levels.)