I run a series of remote desktop sessions with sometimes lots of remote bars at the top of my window. Windows 2012 R2 server makes it fun by messing with the auto-window sizing if you push mozilla into a window to manually position the size of the window windows snaps the window full screen if you size it too close to the actual size of the desktop space available, even if you didnt want that. So, thats a pain hence i just give up and run the firefox browser fullscreen. So then the real problem is when i run it full screen in remote desktop sessions, HyperV bars litter the top of my screen covering the menu bar and the tab page bar, sometimes covering the X buttons on tab pages, I have to fiddle constantly to close tab pages down sometimes IS there a about::config option somewhere that would let me hard set the X Y offset position of the browser on open to force it down 100 pixels or so from the top of the current desktop window space available? OR Offset the TAB bar +100 pixels so it gives a wider blue space at the top so it forces everything down and lets me close my tabs easier... just asking so dont get all forum flaming on me if you dont like the question.