diff --git a/prefs.js b/prefs.js
index c2dc453..6bcaa86 100644
--- a/prefs.js
+++ b/prefs.js
@@ -210,6 +210,12 @@ const Preferences = class {
             let pageAbout = this._builder.get_object('about');
             window.add(pageAbout);
 
+            let listbox = this._builder.get_object('taskbar_display_listbox');
+            let provider = new Gtk.CssProvider();
+            provider.load_from_data('list { background-color: transparent; }');
+            let context = listbox.get_style_context();
+            context.add_provider(provider, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION);
+
             // set the window as notebook, it is being used as parent for dialogs
             this.notebook = window;
 
diff --git a/ui/SettingsPosition.ui b/ui/SettingsPosition.ui
index 14de814..304bf1f 100644
--- a/ui/SettingsPosition.ui
+++ b/ui/SettingsPosition.ui
@@ -231,9 +231,10 @@
               <property name="title" translatable="yes">Taskbar Display</property>
               <child>
                 <object class="GtkListBox" id="taskbar_display_listbox">
+                  <property name="margin-top">6</property>
+                  <property name="margin-bottom">6</property>
                   <property name="visible">True</property>
                   <property name="can_focus">False</property>
-                  <property name="margin_bottom">6</property>
                   <property name="selection_mode">none</property>
                 </object>
               </child>