Fix #alltabs-button icon broken by -moz-binding, #44

theme/parts/scrollbars.css

@@ -5,4 +5,29 @@
 toolbarbutton#alltabs-button {
     -moz-binding: url("scrollbars.xml#js");
 }
-	
+
+#alltabs-button:not(#hack) {
+	list-style-image: none !important;
+	position: relative;
+}
+
+#alltabs-button:not(#hack) .toolbarbutton-icon {
+	display: none !important;
+}
+#alltabs-button:not(#hack) .toolbarbutton-badge-stack {
+	position: absolute;
+}
+
+#alltabs-button::before {
+	position: relative;
+	top: 2px;	
+	content: url("../icons/pan-down-symbolic.svg");
+}
+@media (prefers-color-scheme: dark) {
+	#alltabs-button::before {
+		filter: invert(100%) brightness(200%);
+	}
+}
+#alltabs-button:-moz-window-inactive::before {
+	opacity: 0.7 !important;
+}