Titres disparus dans les onglets de Firefox

@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* only needed once */

/* TABS: on bottom */
#navigator-toolbox toolbar:not(#nav-bar):not(#toolbar-menubar) {-moz-box-ordinal-group:10}
#TabsToolbar {-moz-box-ordinal-group:1000!important}

#TabsToolbar {
 position: absolute !important;
 bottom: 0 !important;
 width: 100vw !important;
}

#tabbrowser-tabs {
  width: 100vw !important;
}
#main-window:not([chromehidden*="toolbar"]) #navigator-toolbox {padding-bottom: var(--tab-min-height) !important;}

/* TABS: height */
:root {
 --tab-toolbar-navbar-overlap: 0px !important;
 --tab-min-height: 33px !important; /* adjust to suit your needs */
}
:root #tabbrowser-tabs {
 --tab-min-height: 33px !important; /* needs to be the same as above under :root */
 --tab-min-width: 80px !important;
}

@import "./tabs_below_navigation_toolbar.css";

/* move titlebar and its content (menubar, tabs toolbar) below navigation/bookmarks toolbar */
#titlebar {
  -moz-box-ordinal-group: 100 !important;
}

/* space above tabs toolbar */
#main-window[tabsintitlebar][sizemode="maximized"] * #titlebar {
  margin-top: -8px !important;
}

/* space for menubar above navigation toolbar (Firefox titlebar) */
#main-window[tabsintitlebar]:not([sizemode="fullscreen"]) #nav-bar {
  margin-top: 26px !important;
}
#main-window[tabsintitlebar][sizemode="maximized"]:not([sizemode="fullscreen"]) #nav-bar {
  margin-top: 26px !important;
}

/* add 'drag' feature to space above navigation toolbar */
#main-window[tabsintitlebar] #navigator-toolbox,
#main-window[tabsintitlebar] #nav-bar {
  -moz-window-dragging: drag !important;
}

/* move menubar to the top and extend its with to full window width */
#toolbar-menubar {
  position: fixed !important;
  width: 100vw !important;
  -moz-window-dragging: drag !important;
}

/* move menubars / tab toolbars caption buttons to windows top right position */
#main-window[tabsintitlebar]:not([inDOMFullscreen="true"]) .titlebar-buttonbox-container {
  position: fixed !important;
  right: 0 !important;
  visibility: visible !important;
  display: block !important;
}

/* menubar postion after moving to the top */
#toolbar-menubar {
  top: 0px !important;
}

/* Linux/macOS */
/* space above navigation toolbar (OS titlebar) */
/* set to '0', if no menubar is used */
#main-window:not([tabsintitlebar]):not([sizemode="fullscreen"]) #nav-bar {
  margin-top: 28px !important;
}

/* menubar postion in maximized mode after moving to the top */
#main-window[tabsintitlebar][sizemode="maximized"] #toolbar-menubar {
  top: 0px !important;
}

/* caption button position in maximized mode after moving to the top */
#main-window[tabsintitlebar]:not([inDOMFullscreen="true"]) .titlebar-buttonbox-container,
#main-window[tabsintitlebar][sizemode="maximized"]:not([inDOMFullscreen="true"]) .titlebar-buttonbox-container {
  top: -14px !important;
}

/* Windows */
@media (-moz-os-version:windows-win10), (-moz-os-version:windows-win8), (-moz-os-version:windows-win7) {
	/* set to '0', if no menubar is used */
	#main-window:not([tabsintitlebar]):not([sizemode="fullscreen"]) #nav-bar {
	  margin-top: 18px !important;
	}
	/* set to '0', if no menubar is used */
	#main-window[tabsintitlebar][sizemode="maximized"]:not([sizemode="fullscreen"]) #nav-bar {
	  margin-top: 34px !important;
	}
	#main-window[tabsintitlebar][sizemode="maximized"] #toolbar-menubar {
	  top: 8px !important;
	}
	#main-window[tabsintitlebar]:not([inDOMFullscreen="true"]) .titlebar-buttonbox-container {
	  top: 0px !important;
	}
	#main-window[tabsintitlebar][sizemode="maximized"]:not([inDOMFullscreen="true"]) .titlebar-buttonbox-container {
	  top: 8px !important;
	}
}

/* hide line above navigation toolbar appearing in some cases */
#main-window:not([tabsintitlebar]) #nav-bar,
#main-window:not([tabsintitlebar]) #navigator-toolbox {
  border-top: 0 !important;
  box-shadow: unset !important;
}

/* force buttons on menubar being very small to not break the toolbar */