tweak dialog buttons's color

Author: adbenitez

src/main/res/values/styles.xml

@@ -1,9 +1,19 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <style name="AppCompatAlertDialogStyleLight" parent="Theme.AppCompat.Light.Dialog.Alert">
+      <item name="buttonBarPositiveButtonStyle">@style/AlertDialogButton</item>
+      <item name="buttonBarNegativeButtonStyle">@style/AlertDialogButton</item>
+      <item name="buttonBarNeutralButtonStyle">@style/AlertDialogButton</item>
     </style>
 
     <style name="AppCompatAlertDialogStyleDark" parent="Theme.AppCompat.Dialog.Alert">
+      <item name="buttonBarPositiveButtonStyle">@style/AlertDialogButton</item>
+      <item name="buttonBarNegativeButtonStyle">@style/AlertDialogButton</item>
+      <item name="buttonBarNeutralButtonStyle">@style/AlertDialogButton</item>
+    </style>
+
+    <style name="AlertDialogButton" parent="Widget.AppCompat.Button.ButtonBar.AlertDialog">
+      <item name="android:textColor">@color/def_accent</item>
     </style>
 
     <style name="AppCompatDialogStyleLight" parent="Theme.AppCompat.Light.Dialog">