diff --git a/res/drawable/ic_ui.xml b/res/drawable/ic_ui.xml
new file mode 100644
index 0000000..2781efc
--- /dev/null
+++ b/res/drawable/ic_ui.xml
@@ -0,0 +1,7 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path android:fillColor="?android:attr/colorControlNormal" android:pathData="M12,3A9,9 0 0,0 3,12A9,9 0 0,0 12,21A9,9 0 0,0 21,12C21,11.5 20.96,11 20.87,10.5C20.6,10 20,10 20,10H18V9C18,8 17,8 17,8H15V7C15,6 14,6 14,6H13V4C13,3 12,3 12,3M9.5,6A1.5,1.5 0 0,1 11,7.5A1.5,1.5 0 0,1 9.5,9A1.5,1.5 0 0,1 8,7.5A1.5,1.5 0 0,1 9.5,6M6.5,10A1.5,1.5 0 0,1 8,11.5A1.5,1.5 0 0,1 6.5,13A1.5,1.5 0 0,1 5,11.5A1.5,1.5 0 0,1 6.5,10M11.5,11A1.5,1.5 0 0,1 13,12.5A1.5,1.5 0 0,1 11.5,14A1.5,1.5 0 0,1 10,12.5A1.5,1.5 0 0,1 11.5,11M16.5,13A1.5,1.5 0 0,1 18,14.5A1.5,1.5 0 0,1 16.5,16H16.5A1.5,1.5 0 0,1 15,14.5H15A1.5,1.5 0 0,1 16.5,13M11,16A1.5,1.5 0 0,1 12.5,17.5A1.5,1.5 0 0,1 11,19A1.5,1.5 0 0,1 9.5,17.5A1.5,1.5 0 0,1 11,16Z" />
+</vector>
\ No newline at end of file
diff --git a/res/values/cherish_arrays.xml b/res/values/cherish_arrays.xml
index 5c18d03..d7f8e7a 100644
--- a/res/values/cherish_arrays.xml
+++ b/res/values/cherish_arrays.xml
@@ -713,4 +713,21 @@
         <item>4</item>
         <item>5</item>
     </string-array>
+
+	<!-- Notification Background styles -->
+    <string-array name="ui_style_selector_entries" translatable="false">
+        <item>@string/ui_style_default</item>
+        <item>@string/ui_style_no_corner_radius</item>
+        <item>@string/ui_style_rectangle</item>
+        <item>@string/ui_style_round_large</item>
+        <item>@string/ui_style_round_medium</item>
+    </string-array>
+
+    <string-array name="ui_style_selector_values" translatable="false">
+        <item>0</item>
+        <item>1</item>
+        <item>2</item>
+        <item>3</item>
+        <item>4</item>
+    </string-array>
 </resources>
diff --git a/res/values/cherish_strings.xml b/res/values/cherish_strings.xml
index 5e9f976..f92f7d3 100644
--- a/res/values/cherish_strings.xml
+++ b/res/values/cherish_strings.xml
@@ -783,4 +783,12 @@
     <string name="brightness_slider_style_memeround">Meme round</string>
     <string name="brightness_slider_style_memeroundstroke">Meme round stroke</string>
     <string name="brightness_slider_style_memestroke">Meme stroke</string>
+
+	<!-- GUI styles -->
+    <string name="ui_style_title">UI Style</string>
+    <string name="ui_style_default">Default</string>
+    <string name="ui_style_no_corner_radius">No Corner Radius</string>
+    <string name="ui_style_rectangle">Rectangle</string>
+    <string name="ui_style_round_large">Round Large</string>
+    <string name="ui_style_round_medium">Round Medium</string>
 </resources>
diff --git a/res/xml/cherish_settings_theme.xml b/res/xml/cherish_settings_theme.xml
index 2d4fec4..1fd628d 100644
--- a/res/xml/cherish_settings_theme.xml
+++ b/res/xml/cherish_settings_theme.xml
@@ -40,6 +40,14 @@
         android:persistent="false"
         android:entries="@array/switch_style_entries"
         android:entryValues="@array/switch_style_values" />
+		
+		<ListPreference
+        android:key="ui_style"
+		 android:icon="@drawable/ic_ui"
+        android:title="@string/ui_style_title"
+        android:entries="@array/ui_style_selector_entries"
+        android:entryValues="@array/ui_style_selector_values"
+        android:persistent="false" />
 
       <ListPreference
             android:key="qs_tile_style"
diff --git a/src/com/cherish/settings/fragments/ThemeSettings.java b/src/com/cherish/settings/fragments/ThemeSettings.java
index 9e72d88..0480d1b 100644
--- a/src/com/cherish/settings/fragments/ThemeSettings.java
+++ b/src/com/cherish/settings/fragments/ThemeSettings.java
@@ -53,8 +53,10 @@ public class ThemeSettings extends SettingsPreferenceFragment implements
     private static final String QS_HEADER_STYLE = "qs_header_style";
     private static final String BRIGHTNESS_SLIDER_STYLE = "brightness_slider_style";
 
+    private static final String UI_STYLE = "ui_style";
+
     private UiModeManager mUiModeManager;
-	private IOverlayManager mOverlayService;
+    private IOverlayManager mOverlayService;
     private ListPreference mThemeSwitch;
     private CustomSeekBarPreference mCornerRadius;
     private CustomSeekBarPreference mContentPadding;
@@ -64,6 +66,7 @@ public class ThemeSettings extends SettingsPreferenceFragment implements
     private ListPreference mQsTileStyle;
     private ListPreference mQsHeaderStyle;
     private ListPreference mBrightnessSliderStyle;
+    private ListPreference mUIStyle;
 
     @Override
     public void onCreate(Bundle icicle) {
@@ -84,6 +87,16 @@ public class ThemeSettings extends SettingsPreferenceFragment implements
             e.printStackTrace();
         }
 
+        mUIStyle = (ListPreference) findPreference(UI_STYLE);
+        int UIStyle = Settings.System.getInt(getActivity().getContentResolver(),
+                Settings.System.UI_STYLE, 0);
+        int UIStyleValue = getOverlayPosition(ThemesUtils.UI_THEMES);
+        if (UIStyleValue != 0) {
+            mUIStyle.setValue(String.valueOf(UIStyle));
+        }
+        mUIStyle.setSummary(mUIStyle.getEntry());
+        mUIStyle.setOnPreferenceChangeListener(this);
+
         mBrightnessSliderStyle = (ListPreference) findPreference(BRIGHTNESS_SLIDER_STYLE);
         int BrightnessSliderStyle = Settings.System.getInt(getActivity().getContentResolver(),
                 Settings.System.BRIGHTNESS_SLIDER_STYLE, 0);
@@ -286,13 +299,27 @@ public class ThemeSettings extends SettingsPreferenceFragment implements
                     mBrightnessSliderStyle.setSummary(mBrightnessSliderStyle.getEntries()[valueIndex]);
                     String overlayName = getOverlayName(ThemesUtils.BRIGHTNESS_SLIDER_THEMES);
                     if (overlayName != null) {
-                    handleOverlays(overlayName, false, mOverlayManager);
+                    handleOverlays(overlayName, false, mOverlayService);
                     }
                     if (valueIndex > 0) {
                         handleOverlays(ThemesUtils.BRIGHTNESS_SLIDER_THEMES[valueIndex],
-                                true, mOverlayManager);
+                                true, mOverlayService);
                     }
         }
+        } else if (preference == mUIStyle) {
+                    String value = (String) newValue;
+                    Settings.System.putInt(getActivity().getContentResolver(), Settings.System.UI_STYLE, Integer.valueOf(value));
+                    int valueIndex = mUIStyle.findIndexOfValue(value);
+                    mUIStyle.setSummary(mUIStyle.getEntries()[valueIndex]);
+                    String overlayName = getOverlayName(ThemesUtils.UI_THEMES);
+                    if (overlayName != null) {
+                    handleOverlays(overlayName, false, mOverlayService);
+                    }
+                    if (valueIndex > 0) {
+                        handleOverlays(ThemesUtils.UI_THEMES[valueIndex],
+                                true, mOverlayService);
+                    }
+                }				
         return true;
     }
 	
@@ -355,6 +382,28 @@ public class ThemeSettings extends SettingsPreferenceFragment implements
         mContentPadding.setValue((int) (res.getDimension(resourceIdPadding) / density));
         mSBPadding.setValue((int) (res.getDimension(resourceIdSBPadding) / density));
     }
+	
+	private String getOverlayName(String[] overlays) {
+            String overlayName = null;
+            for (int i = 0; i < overlays.length; i++) {
+                String overlay = overlays[i];
+                if (CherishUtils.isThemeEnabled(overlay)) {
+                    overlayName = overlay;
+                }
+            }
+            return overlayName;
+        }
+
+    private int getOverlayPosition(String[] overlays) {
+            int position = -1;
+            for (int i = 0; i < overlays.length; i++) {
+                String overlay = overlays[i];
+                if (CherishUtils.isThemeEnabled(overlay)) {
+                    position = i;
+                }
+            }
+            return position;
+        }
 
     @Override
     public int getMetricsCategory() {