userchome multi tab row January 25, 2022, 10:00:33 pm help > troubleshooting > open foldercreate folder "chrome"inside folder create userChrome.cssCode: [Select].tabbrowser-tab:not([pinned]) { flex-grow:1; min-width:150px; }.tabbrowser-tab,.tab-background { height:40px; }.tab-stack { width: 100%; }#tabbrowser-tabs .scrollbox-innerbox { display: flex; flex-wrap: wrap; }#tabbrowser-tabs .arrowscrollbox-scrollbox { overflow: visible; display: block; }#main-window[sizemode=“maximized”] #TabsToolbar{ margin-left:var(–tab-min-height); }#tabbrowser-tabs .scrollbutton-up,#tabbrowser-tabs .scrollbutton-down,#alltabs-button,.tabbrowser-tab:not([fadein]){ display: none; }https://discourse.mozilla.org/t/tabs-in-two-or-more-rows-like-tabmixpro-in-quantum/21657/39