/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/centered_tab_content.css made available under Mozilla Public License v. 2.0 See the above repository for updates as well as full license text. */ .tabbrowser-tab[selected]:not(:hover):not([pinned]) .tab-label-container, #tabbrowser-tabs:not([closebuttons="activetab"]) .tabbrowser-tab:not(:hover):not([pinned]) .tab-label-container{ margin-inline-end: 6px !important } .tab-icon-stack{ margin-inline-start: auto } .tab-label-container{ max-width: min-content; } .tab-label{ padding-inline-end: .5em; } .tab-close-button{ margin-inline-end: auto !important; } :root:not([customizing]) .tab-content{ margin-inline-end: -3px; }