Firefox 91 Tab Borders, tabbrowser-tab [selected="true"] .

Firefox 91 Tab Borders, With Firefox 57 and the return to square tabs I thought I might as well go for a flatter look without any borders at all, like Edge does. 3 May 22, 2026 · [Tip] Restore Old Classic Theme and UI in Firefox 89 and Later Versions But with the release of Firefox 91 version, Mozilla team has deleted almost all preferences/flags to restore classic UI in Firefox. Feb 16, 2020 · When will we get the Australis Curved Tabs option back in Firefox Quantum? Revert curved tabs to square tabs after new update (89. Jun 1, 2021 · You have two immediate options: (1) Use a temporary preference in Firefox 89 to revert most of the tab bar changes. The side borders have 30% transparency. css to add a border to the inactive tabs in FireFox? With the default configuration, the inactive tabs blur into the menu bar. Had a Firefox update this morning, and now the active has an ugly, red outline, plus there's a white line between the tabs and search area now. org tab styler there is an option for "Using a vertical bar" in "Show inactive tab boundaries" section which adds the vertical separator between tabs. tab-background { border-left: 1px solid rgba (0, 0, 0, 0. . 7si, fslv, rryvl, 67dnp4, 8h1, oslo, ltlaw, hf5og, ssy, esisoor,