Account name is moving at click

[ValentinaPC]

Steps to reproduce:

1. Load AMO-dev homepage https://addons-dev.allizom.org/en-US/firefox/
2. Click multiple times on your account name

Expected results:
There are no display or layout issues.

Actual results:
The name is moving.

Notes/Issues:
Verified on AMO-dev FF57(Win 7). Reproducing on all AMO servers.
Video fro this issue:

[tsl143]

@ValentinaPC , does this issue, still exist? I am unable to reproduce :(

[AlexandraMoga]

@tsl143 I was still able to reproduce this issue on all servers

[willdurand]

I can't reproduce anymore.

[AlexandraMoga]

This looks fixed indeed. I can't reproduce on either desktop or mobile.