/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/combined_favicon_and_tab_close_button.css made available under Mozilla Public License v. 2.0 See the above repository for updates as well as full license text. */ /* Show tab close button when cursor is over the tab icon */ /* inline_tab_audio_icons.css is recommended because otherwise you cannot mute the tab using the mute button */ .tab-content{ pointer-events: none } .tab-icon-image:not([busy]){ display: block !important; } :where(.tab-content:hover) .tab-icon-image, :where(.tab-content:hover) > .tab-icon-stack{ visibility: hidden; } .tab-close-button{ -moz-box-ordinal-group: 0; display: -moz-box !important; position: relative; margin-inline: -4px -20px !important; padding-inline-start: 7px !important; opacity: 0; width: unset !important; pointer-events: auto; } .tab-close-button:hover{ opacity: 1 } .tabbrowser-tab[pinned] .tab-close-button{ display: none !important; }