adjust tabs in nav screen

Change-Id: Iaf34ae0d1e143508cb109c96612ba539ad7dd31b
diff --git a/res/values-land/dimensions.xml b/res/values-land/dimensions.xml
index 01491c3..5294d6e 100644
--- a/res/values-land/dimensions.xml
+++ b/res/values-land/dimensions.xml
@@ -15,6 +15,6 @@
     <dimen name="preference_screen_side_margin">96dp</dimen>
     <dimen name="preference_screen_side_margin_negative">-100dp</dimen>
     <dimen name="preference_widget_width">72dp</dimen>
-    <dimen name="nav_tab_width">180dip</dimen>
-    <dimen name="nav_tab_height">180dip</dimen>
+    <dimen name="nav_tab_width">225dip</dimen>
+    <dimen name="nav_tab_height">150dip</dimen>
 </resources>