.tabbrowser-tab { font: 14px xos4 terminus, Monospace !important; color: #bebebe !important; border: none !important; background: #29303A !important; min-height: 0 !important; } .tabbrowser-tab[selected] { color: #f9f9f9 !important; background: #3A4452 !important; } .tab-icon-image:not([pinned]) { display: none !important; } #TabsToolbar { background: #29303A !important; } /* these styles are required to cover narrow scrollbars. */ .tabbrowser-tabs[treestyletab-mode="vertical"] .scrollbox-innerbox { background: #29303A !important; } .tabbrowser-tabs[treestyletab-tabbar-position="left"][treestyletab-invert-scrollbar="true"] .scrollbox-innerbox { background: #29303A !important; } statusbar, menubar, toolbox, toolbar { border-style: none !important; } toolbar { border-width: 0px !important; border-bottom: 1px solid #29303A !important; } /* toolbar { border-bottom: 1px solid red !important; } */