I usually don't bother with it, but lately it has bothered me more. Is there a way to make it so that I can actually view the obscured folders in the below picture? Inbox/Co-Workers > I can't quite read these...
If you have GMail Labs enabled you can use the "Nested Labels" feature:
Nested Labels by Manu C
Manage your email by sorting it into a hierarchy of labels. Add slashes (/) to label names to express inheritance. For example, if you want a Home label with two child labels named Kids and Shopping, create the three following labels: Home, Home/Kids and Home/Shopping.
Firefox/Mozilla Solution: Stylish Plugin - Allows you to change the CSS of any webpage.
Knowledge of CSS required.