/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/toggle_bookmarksbar_with_alt.css made available under Mozilla Public License v. 2.0 See the above repository for updates as well as full license text. */ /* Pretty much requires either menubar_in-toolbar or the oneliner compatible one */ /* Otherwise the changing vertical position causes bookmarks to be unclickable */ /* NOT COMPATIBLE with Fx65+ */ #main-window[sizemode="normal"]:not([customizing]) #PersonalToolbar{ transition: margin 0.15s ease-in-out 50ms, z-index 16ms linear 100ms!important; height: 28px; position: relative; z-index: 1; } :root:not([customizing]) #toolbar-menubar[inactive] ~ #PersonalToolbar:not(:hover){ margin-top:-28px; z-index: -1; }