Changed background and button colors of dialog

app/src/main/res/values/colors.xml

@@ -8,4 +8,7 @@
     <color name="snowflakeOff">#AAAAAA</color>
     <color name="snowflakeOn">#8000D7</color>
     <color name="snowflakeConnected">#00FFB0</color>
+
+    <color name="positiveButton">#8000D7</color>
+    <color name="negativeButton">#757575</color>
 </resources>

app/src/main/res/values/styles.xml

@@ -8,6 +8,20 @@
         <item name="colorAccent">@color/colorAccent</item>
         <item name="android:textColor">@color/preference_textview_color</item>
         <item name="android:textColorSecondary">@color/colorTextSecondary</item>
+        <item name="alertDialogTheme">@style/AlertDialogTheme</item>
     </style>
 
+    <style name="AlertDialogTheme" parent="ThemeOverlay.AppCompat.Dialog.Alert">
+        <item name="buttonBarNegativeButtonStyle">@style/NegativeButtonStyle</item>
+        <item name="buttonBarPositiveButtonStyle">@style/PositiveButtonStyle</item>
+        <item name="android:background">@color/colorPrimary</item>
+    </style>
+
+    <style name="NegativeButtonStyle" parent="Widget.AppCompat.Button.ButtonBar.AlertDialog">
+        <item name="android:textColor">@color/negativeButton</item>
+    </style>
+
+    <style name="PositiveButtonStyle" parent="Widget.AppCompat.Button.ButtonBar.AlertDialog">
+        <item name="android:textColor">@color/positiveButton</item>
+    </style>
 </resources>