It looks like this isn't actually taking effect when I run this in a live server; other things like `$brand-primary` seem to work, but buttons and other elements seem to have the default Bootstrap border radius.

There are a few other things that look different than expected too, like the accordion on a measure page, or the text-decoration on the logo when hovering. I'm guessing it's probably something small and central that's causing each of these issues, it might be helpful to run the LESS and SASS codebases in parallel and compare.