Material theme

BUG: 15467097
Change-Id: I5caa8798b117c148607db5ed96c51b56e20a405d
diff --git a/res/values/styles.xml b/res/values/styles.xml
index f561b98..a4f6dcf 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -17,13 +17,13 @@
 
 <resources xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <style name="CalculatorTheme" parent="@android:style/Theme.Quantum.Light.NoActionBar">
+    <style name="CalculatorTheme" parent="@android:style/Theme.Material.Light.NoActionBar">
         <item name="android:navigationBarColor">@android:color/black</item>
         <item name="android:statusBarColor">@color/calculator_accent_color</item>
         <item name="android:windowContentOverlay">@null</item>
     </style>
 
-    <style name="DisplayEditTextStyle" parent="@android:style/Widget.Quantum.Light.EditText">
+    <style name="DisplayEditTextStyle" parent="@android:style/Widget.Material.Light.EditText">
         <item name="android:background">@android:color/transparent</item>
         <item name="android:cursorVisible">false</item>
         <item name="android:fontFamily">sans-serif-light</item>
@@ -37,7 +37,7 @@
         <item name="android:background">@drawable/display_shadow</item>
     </style>
 
-    <style name="PadButtonStyle" parent="@android:style/Widget.Quantum.Light.Button.Borderless">
+    <style name="PadButtonStyle" parent="@android:style/Widget.Material.Light.Button.Borderless">
         <item name="android:layout_width">wrap_content</item>
         <item name="android:layout_height">wrap_content</item>
         <item name="android:background">@drawable/pad_btn_background</item>