diff --git a/src/Orchard.Web/Modules/Orchard.Projections/Providers/Layouts/GridLayout.cs b/src/Orchard.Web/Modules/Orchard.Projections/Providers/Layouts/GridLayout.cs
index eb71ad161..2b95fbcfb 100644
--- a/src/Orchard.Web/Modules/Orchard.Projections/Providers/Layouts/GridLayout.cs
+++ b/src/Orchard.Web/Modules/Orchard.Projections/Providers/Layouts/GridLayout.cs
@@ -45,6 +45,8 @@ namespace Orchard.Projections.Providers.Layouts {
             
             string gridTag = Convert.ToString(context.State.GridTag);
             string gridClass = Convert.ToString(context.State.GridClass);
+            if (!String.IsNullOrEmpty(gridClass)) gridClass += " ";
+            gridClass += "projector-layout projector-grid-layout";
             string gridId = Convert.ToString(context.State.GridId);
 
             string rowTag = Convert.ToString(context.State.RowTag);
diff --git a/src/Orchard.Web/Modules/Orchard.Projections/Providers/Layouts/ListLayout.cs b/src/Orchard.Web/Modules/Orchard.Projections/Providers/Layouts/ListLayout.cs
index a3506116d..663df1728 100644
--- a/src/Orchard.Web/Modules/Orchard.Projections/Providers/Layouts/ListLayout.cs
+++ b/src/Orchard.Web/Modules/Orchard.Projections/Providers/Layouts/ListLayout.cs
@@ -61,6 +61,7 @@ namespace Orchard.Projections.Providers.Layouts {
 
             var classes = String.IsNullOrEmpty(listClass) ? Enumerable.Empty<string>() : new[] { listClass };
             var itemClasses = String.IsNullOrEmpty(itemClass) ? Enumerable.Empty<string>() : new[] { itemClass };
+            classes = classes.Union(new[] {"projector-layout", "projector-list-layout"});
 
             return Shape.List(Id: listId, Items: shapes, Tag: listTag, Classes: classes, ItemClasses: itemClasses);
         }
diff --git a/src/Orchard.Web/Modules/Orchard.Projections/Providers/Layouts/RawLayout.cs b/src/Orchard.Web/Modules/Orchard.Projections/Providers/Layouts/RawLayout.cs
index ca998fd9f..ed82f91f2 100644
--- a/src/Orchard.Web/Modules/Orchard.Projections/Providers/Layouts/RawLayout.cs
+++ b/src/Orchard.Web/Modules/Orchard.Projections/Providers/Layouts/RawLayout.cs
@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
 using Orchard.ContentManagement;
 using Orchard.DisplayManagement;
@@ -37,6 +38,8 @@ namespace Orchard.Projections.Providers.Layouts {
             string containerTag = context.State.ContainerTag;
             string containerId = context.State.ContainerId;
             string containerClass = context.State.ContainerClass;
+            if (!String.IsNullOrEmpty(containerClass)) containerClass += " ";
+            containerClass += "projector-layout projector-raw-layout";
 
             string itemTag = context.State.ItemTag;
             string itemClass = context.State.ItemClass;