Bug 1270294 - CSS spacing touch-ups for Synced Tabs PanelUI menu. r=markh

MozReview-Commit-ID: JXxCp3dJo1z

--HG--
extra : rebase_source : c48b59af91081a88cda07faded823f79de5f38ba

browser/themes/osx/customizableui/panelUIOverlay.css

@@ -73,4 +73,17 @@ menu.subviewbutton > .menu-right > image {
 
 toolbarpaletteitem[place="palette"] > .toolbarbutton-1 > .toolbarbutton-menubutton-button {
   padding: 3px 1px;
-}
+}
+
+#PanelUI-remotetabs-tabslist > label[itemtype="client"] {
+  -moz-padding-start: 6px;
+}
+
+.PanelUI-remotetabs-notabsforclient-label {
+  margin-left: 19px;
+  font-size: 13px;
+}
+
+#PanelUI-remotetabs-tabslist {
+  padding-bottom: 4px;
+}