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Last active Feb 18, 2019
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Firefox Mojave Dark titlebar w/out tabs
/* hide tabs in toolbar */
#main-window[tabsintitlebar="true"]:not([extradragspace="true"]) #TabsToolbar .toolbar-items {
opacity: 0;
pointer-events: none;
#main-window:not([tabsintitlebar="true"]) #TabsToolbar {
visibility: collapse !important;
/* clean up borders and color without tabs*/
#navigator-toolbox {
--tabs-border-color: none !important;
#main-window[tabsintitlebar="true"]:not([extradragspace="true"]) #TabsToolbar {
background-color: rgb(50,50,52);
border-color: rgb(50,50,52);
height: 25px;
#TabsToolbar .titlebar-spacer {
border-inline-end: none !important;
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