Planet Mozilla Projects
Does someone know how to turn off these thick border's around the
How to Hide Firefox Top Sites, Recommended, Highlights, Snippets
Firefox: Hide Native Tabs and Titlebar, by Xilin Sun
Firefox only displays a blank web page
How to get rid of weird border on the browser?
Firefox on Android does not display any web page just blank
Start page when launching Private Windows doesn't respect 'new
Wave browser virus: What it is and how to remove it
More improvements than can fit into this title – These Weeks in