I'm using Vivaldi, based on Chromium, in its Dark Mode. Consequently the time/date bubble that pops up when hovering over a message in Facebook Messenger shows light text on a light background, therefore is not discernible. Using local css, I would like to shift either foreground or background to make for some contrast.
The problem is that the bubble disappears whenever I try to Inspect it. I have seen various techniques, and I haven't been able to get them to work - freeze scripts using F8, inspect via :hov or 'emulate a focused page'. I'm sure one of these is the right way, but I'm not getting it.
The base url here is . You would need a conversation with someone in order to have posts to see what's going on.
