Firefox multiple rows
https://github.com/Aris-t2/CustomCSSforFx For …\chrome\config\general_variables.cssChange to:–tabs-lines: 6 !important; For ../userChrome.cssUncomment : /* @import “./css/tabs/tabs_multiple_lines.css”; /**/@import “./css/tabs/tabs_multiple_lines_force_newtab_button_visibility.css”; /**/