android-calculatorpp/calculatorpp/res/values/theme_light_blue.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (c) 2009-2011. Created by serso aka se.solovyev.
  ~ For more information, please, contact se.solovyev@gmail.com
  ~ or visit http://se.solovyev.org
  -->

<resources>

	<style name="light_blue_digit_button_style" parent="cpp_keyboard_button_style">
		<item name="android:background">@drawable/blue_button</item>
	</style>

	<style name="light_blue_control_button_style" parent="cpp_keyboard_button_style">
		<item name="android:background">@drawable/blue_button_dark</item>
	</style>

	<style name="light_blue_operation_button_style" parent="light_blue_digit_button_style">
		<item name="android:textColor">@color/cpp_button_operator_text_color</item>
	</style>

	<style name="light_blue_control_image_button_style" parent="light_blue_control_button_style">
		<item name="android:padding">6dp</item>
	</style>

	<style name="cpp_light_blue_theme" parent="cpp_gray_theme">
		<item name="cpp_digit_button_style">@style/light_blue_digit_button_style</item>
		<item name="cpp_control_button_style">@style/light_blue_control_button_style</item>
		<item name="cpp_control_image_button_style">@style/light_blue_control_image_button_style</item>
		<item name="cpp_operation_button_style">@style/light_blue_operation_button_style</item>
	</style>

</resources>