Javítottam kicsit rajta:
window[sizemode="maximized"]:not([inFullscreen]) #navigator-toolbox[tabsontop="true"] #TabsToolbar {
margin-top: -24px !important;
-moz-box-ordinal-group: 1 !important;
padding-left: 110px !important;
padding-right: 120px !important;
}
#main-window[tabsontop="true"]:not([inFullscreen]) #appmenu-button-container {
position: fixed !important;
z-index: 1;
}
#main-window[tabsontop="true"]:not([inFullscreen]) #titlebar-buttonbox {
position: relative !important;
z-index: 1;
}
#main-window[tabsontop="true"]:not([inFullscreen]) #TabsToolbar {
position: relative !important;
}