https://support.mozilla.org/en-US/kb/customize-firefox-controls-buttons-and-toolbars#w_turn-on-the-title-bar-menu-bar-or-bookmarks-toolbar https://support.mozil

https://support.mozilla.org/en-US/kb/customize-firefox-controls-buttons-and-toolbars#w_turn-on-the-title-bar-menu-bar-or-bookmarks-toolbar https://support.mozilla.org/en-US/kb/customize-firefox-contr...