Change button color

lib/views/page.html

@@ -88,7 +88,7 @@
             <input type="hidden" name="_csrf" value="{{ csrf() }}">
             <input type="hidden" name="path" value="{{ page.path }}">
             <input type="hidden" name="page_id" value="{{ page._id.toString() }}">
-            <button type="submit" class="btn btn-success btn-sm">
+            <button type="submit" class="btn btn-default btn-sm">
               <i class="fa fa-undo" aria-hidden="true"></i>
               Put Back
             </button>