Had fun learning the strange sequence of inputs to enable developer mode on an Android device to figure this one out...
Not sure if this would help at all for ease of future css locating, but you could always open the forum in a normal desktop browser and use the mobile layout in the developer tools to simulate a mobile browser if you know what width and height you want to use.
I had a temporary mind blip about the site being down, and I went to click to the main page. Thanks for fixing the link in the upper left so it redirects here, reminded me that "Oh yeah, the host is doing some back end stuff, aren't they?" Helped me not make a fool of myself by trying to go to a website that isn't up.
Regarding these sorting issues: I encourage people to report issues with the forum functionality (not appearance or styles or anything JNC-specific) to the authors of the forum software here: https://github.com/NodeBB/NodeBB/issues . I will try to make time to look in to such issues, but I would have to spend a decent chunk of time getting familiar with a completely new codebase when I already have many other site issues to deal with, so I can't guarantee non-critical complaints will be addressed quickly. For anyone who does want to report these issues, we have the following setup: