further 16dp spacings

res/layout-land/account_setup.xml

@@ -240,8 +240,7 @@
 		    android:layout_gravity="center_horizontal"
 		    android:background="@android:color/transparent"
 		    android:onClick="onRegisterClick"
-		    android:paddingBottom="5dp"
-		    android:paddingTop="5dp"
+		    android:paddingTop="@dimen/standard_padding"
 		    android:text="@string/auth_register"
 			android:textColor="@color/login_text_color"
             android:contentDescription="@string/auth_register"/>

res/layout/account_setup.xml

@@ -212,8 +212,7 @@
             android:layout_height="wrap_content"
             android:background="@android:color/transparent"
             android:onClick="onRegisterClick"
-            android:paddingBottom="5dp"
-            android:paddingTop="5dp"
+            android:paddingTop="@dimen/standard_padding"
             android:text="@string/auth_register"
             android:textColor="@color/login_text_color"
             android:textColorHint="@color/login_text_hint_color"