Fix white bar glitch on some tablets

res/layout-sw720dp-land/main.xml

@@ -15,6 +15,7 @@
     <!-- Hack to adjust perfectly on every screen the bottom of the fragment with the curved menu -->
     <LinearLayout
 	    android:id="@+id/mark"
+	    android:background="@color/menu_button_background"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_alignParentBottom="true"

res/values/color.xml

@@ -27,4 +27,5 @@
     <color name="landscape_background">#CCCCCC</color>
     
     <color name="text_contrast">#ff000000</color> <!-- If background is white, set to black, else set to white -->
+    <color name="menu_button_background">#ff262a2e</color>
 </resources>