URL: https://trello.com

Browser / Version: Firefox 58.0
Operating System: Linux
Tested Another Browser: Yes

Problem type: Something else
Description: Fill in of credentials doesn't work enter
Steps to Reproduce:

1. Create account at trello
2. Login with your credentials the first time
3. Logout
4. Login again: when you give in the Email you can choose between the suggestion with arrow keys. After hitting enter you end up in the password field and your choice wasn't entered in the Email field.

This works as intended (hitting enter fills the Email field) in Chromium 64, Linux.

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