CSSで多段ブックマークツールバー

多段ブックマーク #PersonalToolbar { max-height: none !important; } #PlacesToolbarItems { overflow: visible !important; display: block !important; } #PlacesToolbarItems > .scrollbox-innerbox { display: block !important; overflow-y: auto !important; max-height: 72px !important; } #PlacesToolbarItems > .bookmark-item { padding: 2px 3px !important; } #PlacesChevro...