Yes, they are hard to change and since I'm really not into do a whole lot of things on line, I've never attempted to learn how to do a bunch of new things. Just be thankful that I did manage to learn how to do paragraphs! I'm very embarrassed by my early post here.
Seems like to me you have done some excellent stuff here.....it takes a while to conquer the mouse,,,,but the scrolling with the wheel is invaluable and the ability to open new tab windows with Firefox is just outstanding ..click the right mouse button and select the correct entry on the dropdown menu....