color: #000000;
}
+/* Handle a case where the last separator in a customized tab bar with a
+ separated new tab button causes the width of the tab to extend and causes
+ jittering with a small tab curve width (Bug 1111091). */
+#TabsToolbar[currentset]:not([currentset*="tabbrowser-tabs,new-tab-button"]) #tabbrowser-tabs:not([overflow]) > .tabbrowser-tab[last-visible-tab]:not([selected]):not([beforehovered]):not(:hover)::after {
+}
+
/* New tab button */
.tabs-newtab-button {