The below issue was initially reported by @wcraigtrader.
I've discovered that if I use the app for an extended amount of time, the rendered map keeps getting bigger (or the bottom text keeps getting smaller), to the point where the map is taking up most of two 32" 4K monitors and the bottom text is almost unreadable:
Resizing the window doesn't help.
Browser is Chrome Version 76.0.3809.100 (Official Build) (64-bit) on Linux.
The below issue was initially reported by @wcraigtrader.