Alles anzeigenSo hier ist sie:
Frage vorweg, was genau möchtest du denn alles erreichen mit dem Code?
Manches funktioniert nämlich nicht mehr so richtig
Ansonsten, entfern den kompl. Inhalt der Datei, und füg diesen wieder ein:
CSS#main-window , *{ font-size:16px } window, page, dialog, wizard, prefwindow { background-color: rgb(231,237,245) !important; } #titlebar { order: 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: 40px !important; } #main-window[tabsintitlebar][sizemode="maximized"]:not([sizemode="fullscreen"]) #nav- bar { margin-top: 6px !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: 10px !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: 39px !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: 4px !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: 8px !important; } /* set to '0', if no menubar is used */ #main-window[tabsintitlebar][sizemode="maximized"]:not ([sizemode="fullscreen"]) #nav-bar { margin-top: 4px !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; } /* tweaks for fullscreen mode */ #main-window[tabsintitlebar][sizemode="fullscreen"] * #TabsToolbar { -moz-padding-start: 0px !important; } /* tweaks for fullscreen mode */ #main-window[tabsintitlebar][sizemode="fullscreen"]:not([inDOMFullscreen="true"]) .titlebar-buttonbox-container, #main-window[tabsintitlebar][sizemode="fullscreen"] #toolbar-menubar[autohide="true"] ~ #TabsToolbar .titlebar-buttonbox-container, #main-window[tabsintitlebar][sizemode="fullscreen"] #navigator-toolbox #PanelUI-button, #main-window #TabsToolbar #window-controls { display: none !important; } /* hide non-required items */ #TabsToolbar .private-browsing-indicator, #TabsToolbar #window-controls, #TabsToolbar *[type="caption-buttons"], #TabsToolbar *[type="pre-tabs"], #TabsToolbar *[type="post-tabs"] { display: none !important; } /* Windows 7 extra tweaks */ Media (-moz-os-version: windows-win7) { Media all and (-moz-windows-compositor) { #main-window[tabsintitlebar]:not([inDOMFullscreen="true"]) * .titlebar- buttonbox-container { display: none !important; } } Media not all and (-moz-windows-compositor) { #main-window[tabsintitlebar]:not([inDOMFullscreen="true"]) .titlebar-buttonbox- container { top: -8px !important; } #main-window[tabsintitlebar][sizemode="maximized"]:not ([inDOMFullscreen="true"]) .titlebar-buttonbox-container { top: 0px !important; } } } /* Windows 10 extra tweaks */ Media (-moz-os-version: windows-win10) { #main-window:not([tabsintitlebar]) menubar > menu:not(:-moz-lwtheme):hover:not ([disabled="true"]), #main-window:not([tabsintitlebar]) menubar > menu:not(:-moz-lwtheme)[_moz- menuactive="true"]:not([disabled="true"]) { background-color: Highlight !important; color: HighlightText !important; } } /* disable Mozillas tab jumping nonsense when moving tabs */ #navigator-toolbox[movingtab] > #titlebar > #TabsToolbar { padding-bottom: unset !important; } #navigator-toolbox[movingtab] #tabbrowser-tabs { padding-bottom: unset !important; margin-bottom: unset !important; } #navigator-toolbox[movingtab] > #nav-bar { margin-top: unset !important; } menupopup > menuitem, menupopup > menu { padding-block: 0 !important; padding-inline-start: 14px !important; font-size: 17px !important; }Danach den Firefox neu starten.
Sieht dann hier so aus:
So, das ist sie, siehe Anhang. Ich bin schon wunschlos glücklich. Das Pluszeichen funktioniert auch wieder und auch schließen kann ich Tabs wieder ganz normal.
Ganz herzlichen Dank, du hast den Tag gerettet. 
Viele Grüße
Nia
schlingo , Danke für die Hilfe, aber das Problem wurde schon gelöst.
Jetzt ist alles wieder da, wo es sein soll.
