Cleanup and fixes.

library/src/main/res/values/dimens.xml

@@ -8,6 +8,7 @@
     <!-- Above and below buttons, 36+12=48 for the height of the button frame -->
     <dimen name="md_button_inset_vertical">6dp</dimen>
     <dimen name="md_button_inset_horizontal">4dp</dimen>
+    <dimen name="md_button_textpadding_horizontal">1dp</dimen>
     <dimen name="md_button_padding_horizontal">8dp</dimen>
     <dimen name="md_button_padding_vertical">4dp</dimen>
     <dimen name="md_button_padding_horizontal_internalexternal">32dp</dimen>

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

@@ -41,6 +41,8 @@
         <item name="android:stateListAnimator">@null</item>
         <item name="android:background">@null</item>
         <item name="android:minWidth">@dimen/md_button_min_width</item>
+        <item name="android:paddingLeft">@dimen/md_button_textpadding_horizontal</item>
+        <item name="android:paddingRight">@dimen/md_button_textpadding_horizontal</item>
     </style>
 
     <!-- Light dialog theme for devices prior Honeycomb -->