Forum:Reference popups

{{Forum post|I'm using Firefox 52.4.0 on Windows XP. It's only visible on certain symbols: A, {, and H. I also see it on section titles starting with A or V, so it might be a Monobook skin margin issue. I'm not yet sure if it's my CSS or not.|— BadCatMan (talk) 02:58, October 18, 2017 (UTC)}}