fixed parallax effect on larger screen
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 237e121..d901353 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -40,5 +40,7 @@
     
     <dimen name="contact_drawer_handle_height">36dp</dimen>
     <dimen name="contact_drawer_handle_height_with_shadow">40dp</dimen>
+    
+    <dimen name="header_history_detail">200dp</dimen>
 
 </resources>
\ No newline at end of file