Merge testing

.mozilla/firefox/oxewlilo.default-release/chrome/userChrome.css

@@ -7,6 +7,10 @@
     visibility: collapse !important;
 }
 
+/*remove top white line*/
+#main-window[tabsintitlebar="true"]:not([extradragspace="true"]) #TabsToolbar .titlebar-spacer {
+        border-inline-end: none;
+}
 /*Hide the Tree style Tab header*/
 #sidebar-box[sidebarcommand="treestyletab_piro_sakura_ne_jp-sidebar-action"] #sidebar-header {
   display: none;
@@ -18,21 +22,8 @@
 	margin-right:140px;
 }
 
-/* 15px for dragging whole window by mouse*/
-#titlebar {
-	appearance: none !important;
-	height: 15px;
-}
-
 /* Fix for main menu calling by Alt button */
 #titlebar > #toolbar-menubar {
 	margin-top: 10px;
 }
 
-/* Move minimize/restore/close buttons to empty space */
-#TabsToolbar > .titlebar-buttonbox-container {
-	display: block;
-	position: absolute;
-	top: 17px;
-	right: 1px;
-}