User-agent:
Mozilla/5.0 (X11; Linux i686; rv:7.0) Gecko/20110828 Thunderbird/7.0
On my laptop, I think it's a little bit difficult to use the overlay
scrollbars. It's not very difficult, but it has been sufficient to annoy
me from time to time. I think it would help if I could increase their
sizes a little bit. Is that configurable?
