Reorganize overflow of body and wrapper (#19097).

Patch by Felix Gliesche.

git-svn-id: http://svn.redmine.org/redmine/trunk@14827 e93f8b46-1217-0410-a6f0-8f06a7374b81

public/stylesheets/responsive.css

@@ -64,8 +64,6 @@
 
     body
     {
-        overflow-x: hidden; /* hide horizontal overflow */
-
         min-width: 0; /* reset the min-width of 900px */
 
         -webkit-overflow-scrolling: touch;
@@ -92,6 +90,8 @@
     {
         position: relative;
 
+        overflow-x: hidden; /* hide horizontal overflow */
+
         max-width: 100%;
     }
 
@@ -603,6 +603,8 @@
     {
         right: 250px; /* when left flyout is active, move body to the right (same amount like flyout-menu's width) */
 
+        overflow: visible;
+
         height: 100%;
     }