diff --git a/app/ui/control.glade b/app/ui/control.glade
index 966de852..5de42e2a 100644
--- a/app/ui/control.glade
+++ b/app/ui/control.glade
@@ -431,7 +431,9 @@ Author: Dmitriy Yefremov
                             <property name="can_focus">False</property>
                             <property name="valign">center</property>
                             <property name="margin_top">5</property>
-                            <property name="margin_bottom">5</property>
+                            <property name="margin_bottom">10</property>
+                            <property name="margin_left">10</property>
+                            <property name="margin_right">10</property>
                             <property name="homogeneous">True</property>
                             <child>
                               <object class="GtkButton" id="standby_button">
@@ -1605,7 +1607,7 @@ audio-volume-medium-symbolic</property>
                         <property name="spacing">5</property>
                         <child>
                           <object class="GtkImage" id="timer_location_image">
-                            <property name="visible">True</property>
+                            <property name="visible">False</property>
                             <property name="can_focus">False</property>
                             <property name="icon_name">document-edit-symbolic</property>
                           </object>
diff --git a/app/ui/default_style.css b/app/ui/default_style.css
deleted file mode 100644
index 12fac8b4..00000000
--- a/app/ui/default_style.css
+++ /dev/null
@@ -1,43 +0,0 @@
-* {
-  -GtkDialog-action-area-border: 5em;
-}
-
-entry {
-  min-height: 2em;
-}
-
-button {
-  min-height: 1.5em;
-  padding-left: 0.5em;
-  padding-right: 0.5em;
-  padding-top: 0.1em;
-  padding-bottom: 0.1em;
-}
-
-spinbutton {
-  min-height: 1.5em;
-}
-
-toolbutton {
-  padding: 0.1em;
-}
-
-spinner {
-  padding-left: 1em;
-  padding-right: 1em;
-}
-
-infobar {
-  min-height: 2em;
-}
-
-switch slider {
-  min-height: 1.5em;
-  min-width: 1.5em;
-}
-
-paned > separator {
-  background-repeat: no-repeat;
-  background-position: center;
-  background-size: 1px 24px;
-}
diff --git a/app/ui/main_window.glade b/app/ui/main_window.glade
index 0295f229..08133e56 100644
--- a/app/ui/main_window.glade
+++ b/app/ui/main_window.glade
@@ -566,7 +566,7 @@ Author: Dmitriy Yefremov
     <child>
       <object class="GtkScrolledWindow" id="filter_satellite_scrolled_window">
         <property name="width_request">135</property>
-        <property name="height_request">175</property>
+        <property name="height_request">150</property>
         <property name="visible">True</property>
         <property name="can_focus">False</property>
         <property name="margin_left">5</property>
@@ -652,7 +652,6 @@ Author: Dmitriy Yefremov
     <child>
       <object class="GtkTreeView" id="filter_type_view">
         <property name="width_request">135</property>
-        <property name="height_request">175</property>
         <property name="visible">True</property>
         <property name="can_focus">True</property>
         <property name="margin_left">5</property>
diff --git a/app/ui/settings_dialog.py b/app/ui/settings_dialog.py
index d553ba04..f4ec9a9f 100644
--- a/app/ui/settings_dialog.py
+++ b/app/ui/settings_dialog.py
@@ -185,12 +185,13 @@ class SettingsDialog:
         if IS_WIN:
             builder.get_object("streams_lib_frame").set_visible(False)
             # Themes
-            builder.get_object("style_frame").set_visible(True)
-            builder.get_object("themes_support_frame").set_visible(True)
+            enable_exp = self._settings.is_enable_experimental
+            builder.get_object("style_frame").set_visible(enable_exp)
+            builder.get_object("themes_support_frame").set_visible(enable_exp)
             self._layout_switch = builder.get_object("layout_switch")
             self._layout_switch.set_active(self._ext_settings.alternate_layout)
             self._theme_frame = builder.get_object("theme_frame")
-            self._theme_frame.set_visible(True)
+            self._theme_frame.set_visible(enable_exp)
             self._theme_thumbnail_image = builder.get_object("theme_thumbnail_image")
             self._theme_combo_box = builder.get_object("theme_combo_box")
             self._icon_theme_combo_box = builder.get_object("icon_theme_combo_box")
diff --git a/app/ui/uicommons.py b/app/ui/uicommons.py
index 3d2abcff..a27973f3 100644
--- a/app/ui/uicommons.py
+++ b/app/ui/uicommons.py
@@ -31,7 +31,6 @@ else:
     os.environ["LANGUAGE"] = settings.language
 
     st = Gtk.Settings().get_default()
-    st.set_property("gtk-theme-name", "MS-Windows")
     APP_FONT = st.get_property("gtk-font-name")
     st.set_property("gtk-application-prefer-dark-theme", settings.dark_mode)