I have the opposite problem - I don't want to see scrollbars. I have the touchpad and scrollwheel for that. I don't need anything taking away space from actual

I have the opposite problem - I don't want to see scrollbars. I have the touchpad and scrollwheel for that. I don't need anything taking away space from actual content, especially in narrow sidebar menus. A semi-transparent strip visible only while scrolling sounds perfectly fine. Unfortunately, as the author notes, its not always easy to get this customized.