Title:           [CSS] remove firefox titlebar glow
Author:          Twilypastes
Pastebin link:   http://pastebin.com/1SB2LwXT
First Edit:      Sunday 31st of August 2014 07:01:40 PM CDT
Last Edit:       Sunday 31st of August 2014 07:01:40 PM CDT

@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);
 
@-moz-document url(chrome://browser/content/browser.xul) {
    #main-window[tabsintitlebar]:not([sizemode=fullscreen]) #TabsToolbar:not(:-moz-lwtheme)::after {
        box-shadow: 0 0 0 0 !important;
    }
}