@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul); @-moz-document url(chrome://browser/content/browser.xul) { #main-window[fx51plus="true"] .tabbrowser-tab::after, #main-window[fx51plus="true"] .tabbrowser-tab::before { opacity: 0 !important; border-left: 0px solid transparent !important; } #main-window #navigator-toolbox #TabsToolbar #tabbrowser-tabs[movingtab] > .tabbrowser-tab[beforeselected]:not([last-visible-tab])::after, #main-window #navigator-toolbox #TabsToolbar .tabbrowser-tab:not([visuallyselected]):not([afterselected-visible]):not([afterhovered]):not([first-visible-tab]):not(:hover)::before, #main-window #navigator-toolbox #TabsToolbar #tabbrowser-tabs:not([overflow]) > .tabbrowser-tab[last-visible-tab]:not([visuallyselected]):not([beforehovered]):not(:hover)::after, #main-window #navigator-toolbox #TabsToolbar .tabbrowser-tab:not([selected]):not([afterselected-visible]):not([afterhovered]):not([first-visible-tab]):not(:hover)::before, #main-window #navigator-toolbox #TabsToolbar #tabbrowser-tabs:not([overflow]) > .tabbrowser-tab[last-visible-tab]:not([selected]):not([beforehovered]):not(:hover)::after { background-image: url(chrome://classic_theme_restorer/content/images/tab-separator_solid.png) !important; background-size: 1px 100% !important; opacity:1.0 !important; background-color: unset !important; margin-top: unset !important; margin-bottom: unset !important; padding-top: unset !important; padding-bottom: unset !important; } }