URL: https://www.gq.com/story/secrets-of-the-worlds-greatest-art-thief?mbid=synd_digg

Browser / Version: Firefox 65.0
Operating System: Mac OS X 10.14
Tested Another Browser: Yes

Problem type: Something else
Description: Pressing the down arrow after the page loads displays a dropdown
Steps to Reproduce:
After the page loads, if you press the down arrow, you get a dropdown as if some search field has been focused. This does not happen on Chrome.

I also tested on Windows and it happens there.

Reported by @mkaply

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