debug show or hide sidebar in edit mode

css/area_footer.less

@@ -42,13 +42,23 @@
     #dokuwiki__footer {
         .col-xs-12 {
             float: right;
-            width: 73%;
+            width: 100%;
         }
 
         .main-footer {
             padding: @margin-default 0;
         }
     }
+
+    .showSidebar {
+        #dokuwiki__footer {
+             .col-xs-12 {
+                 width: 73%;
+            }
+        }
+    }
+
+
 }