Check this website, It may help you...

http://www.mydigitallife.info/2008/07/05/how-to-resize-toolbars-and-page-content-in-firefox-3/

所有跟帖： 

• 回复：Check this website, It may help you... -NIWbaby- ♀ (78 bytes) () 05/29/2009 postreply 06:40:21

• You can use same way to change default font.size -赤城霞起- ♀ (0 bytes) () 05/29/2009 postreply 16:43:39