Add new file

styles.xml

+<?xml-stylesheet href="common.css"?>
+<?xml-stylesheet href="modern.css"
+    title="Modern" media="screen"
+    type="text/css"?>
+<?xml-stylesheet href="classic.css"
+    alternate="yes" title="Classic"
+    media="screen, print" type="text/css"?>
+
+<resources>
+    <style name="GreenText" parent="TextAppearance.AppCompat">
+        <item name="android:textColor">#00FF00</item>
+    </style>
+</resources>
\ No newline at end of file