gitlab.com pop-ups are fuzzy in chrome and chromium on linux
Pop-ups such as drop-down menus and profile badges are fuzzy when rendered under
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/71.0.3578.98 Chrome/71.0.3578.98 Safari/537.36.
Steps to reproduce
Visit gitlab.com and hover over a users username or try to create a new issue and activate the template drop-down menu.
What is the expected correct behavior?
Notice the difference in rendering quality when visited from
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:64.0) Gecko/20100101 Firefox/64.0.
Relevant logs and/or screenshots
(Paste any relevant logs - please use code blocks (```) to format console output, logs, and code as it's very hard to read otherwise.)
Output of checks
This bug happens on GitLab.com