diff -ruN nbtk-1.1.13git20091027/configure.ac nbtk-1.1.13git20091027.new/configure.ac
--- nbtk-1.1.13git20091027/configure.ac	2009-10-27 10:16:20.000000000 -0400
+++ nbtk-1.1.13git20091027.new/configure.ac	2009-10-27 14:05:21.000000000 -0400
@@ -121,7 +121,7 @@
 
 AM_PROG_LIBTOOL
 
-NBTK_REQUIRES="clutter-1.0 clutter-imcontext-0.1 libccss-1 = 0.3.1"
+NBTK_REQUIRES="clutter-1.0 clutter-imcontext-0.1 ccss-1 >= 0.5.0"
 PKG_CHECK_MODULES(NBTK, [$NBTK_REQUIRES])
 PKG_CHECK_MODULES(GTK, [gtk+-2.0])
 
diff -ruN nbtk-1.1.13git20091027/nbtk/nbtk-stylable.c nbtk-1.1.13git20091027.new/nbtk/nbtk-stylable.c
--- nbtk-1.1.13git20091027/nbtk/nbtk-stylable.c	2009-10-27 10:16:20.000000000 -0400
+++ nbtk-1.1.13git20091027.new/nbtk/nbtk-stylable.c	2009-10-27 14:05:21.000000000 -0400
@@ -742,8 +742,8 @@
  *
  * Return value: the pseudo class name of @stylable
  */
-const gchar*
-nbtk_stylable_get_pseudo_class (NbtkStylable *stylable)
+const gchar**
+nbtk_stylable_get_pseudo_classes (NbtkStylable *stylable)
 {
   NbtkStylableIface *iface;
 
@@ -751,11 +751,21 @@
 
   iface = NBTK_STYLABLE_GET_IFACE (stylable);
 
-  if (iface->get_pseudo_class)
-    return iface->get_pseudo_class (stylable);
+  if (iface->get_pseudo_classes)
+    return iface->get_pseudo_classes (stylable);
   else
     return NULL;
 }
+const gchar*
+nbtk_stylable_get_pseudo_class (NbtkStylable *stylable)
+{
+  const gchar **result=NULL;
+  result = nbtk_stylable_get_pseudo_classes(stylable);
+  if (result && result[0]) {
+    return result[0];
+  }
+  return NULL;
+}
 
 /**
  * nbtk_stylable_get_attribute:
diff -ruN nbtk-1.1.13git20091027/nbtk/nbtk-stylable.h nbtk-1.1.13git20091027.new/nbtk/nbtk-stylable.h
--- nbtk-1.1.13git20091027/nbtk/nbtk-stylable.h	2009-10-27 10:16:20.000000000 -0400
+++ nbtk-1.1.13git20091027.new/nbtk/nbtk-stylable.h	2009-10-27 14:05:21.000000000 -0400
@@ -58,7 +58,7 @@
   const gchar  *(*get_style_id)     (NbtkStylable *stylable);
   const gchar  *(*get_style_type)   (NbtkStylable *stylable);
   const gchar  *(*get_style_class)  (NbtkStylable *stylable);
-  const gchar  *(*get_pseudo_class) (NbtkStylable *stylable);
+  const gchar  **(*get_pseudo_classes) (NbtkStylable *stylable);
   gchar        *(*get_attribute)    (NbtkStylable *stylable,
                                      const gchar  *name);
   gboolean      (*get_viewport)     (NbtkStylable *stylable,
@@ -109,6 +109,7 @@
 const gchar*  nbtk_stylable_get_style_type    (NbtkStylable *stylable);
 const gchar*  nbtk_stylable_get_style_class   (NbtkStylable *stylable);
 const gchar*  nbtk_stylable_get_pseudo_class  (NbtkStylable *stylable);
+const gchar**  nbtk_stylable_get_pseudo_classes  (NbtkStylable *stylable);
 gchar*        nbtk_stylable_get_attribute     (NbtkStylable *stylable,
                                                const gchar  *name);
 gboolean      nbtk_stylable_get_viewport      (NbtkStylable *stylable,
diff -ruN nbtk-1.1.13git20091027/nbtk/nbtk-style.c nbtk-1.1.13git20091027.new/nbtk/nbtk-style.c
--- nbtk-1.1.13git20091027/nbtk/nbtk-style.c	2009-10-27 10:16:20.000000000 -0400
+++ nbtk-1.1.13git20091027.new/nbtk/nbtk-style.c	2009-10-27 14:05:21.000000000 -0400
@@ -433,10 +433,10 @@
   return nbtk_stylable_get_style_class (node->stylable);
 }
 
-static const gchar*
-get_pseudo_class (nbtk_style_node_t *node)
+static const gchar**
+get_pseudo_classes (nbtk_style_node_t *node)
 {
-  return nbtk_stylable_get_pseudo_class (node->stylable);
+  return nbtk_stylable_get_pseudo_classes (node->stylable);
 }
 
 static const gchar*
@@ -462,7 +462,7 @@
     .get_id           = (ccss_node_get_id_f) get_style_id,
     .get_type         = (ccss_node_get_type_f) get_style_type,
     .get_class        = (ccss_node_get_class_f) get_style_class,
-    .get_pseudo_class = (ccss_node_get_pseudo_class_f) get_pseudo_class,
+    .get_pseudo_classes = (ccss_node_get_pseudo_classes_f) get_pseudo_classes,
     .get_viewport     = NULL,// (ccss_node_get_viewport_f) get_viewport,
     .get_attribute    = (ccss_node_get_attribute_f) get_attribute,
     .release          = (ccss_node_release_f) release
@@ -507,7 +507,7 @@
 
           if (ccss_style_get_property (ccss_style,
                                         "border-image",
-                                        (ccss_property_base_t const **) &border_image))
+                                        (ccss_property_t const **) &border_image))
             {
               if (border_image &&
                   border_image->base.state == CCSS_PROPERTY_STATE_SET)
diff -ruN nbtk-1.1.13git20091027/nbtk/nbtk-widget.c nbtk-1.1.13git20091027.new/nbtk/nbtk-widget.c
--- nbtk-1.1.13git20091027/nbtk/nbtk-widget.c	2009-10-27 10:16:20.000000000 -0400
+++ nbtk-1.1.13git20091027.new/nbtk/nbtk-widget.c	2009-10-27 14:05:21.000000000 -0400
@@ -53,7 +53,7 @@
   NbtkPadding padding;
 
   NbtkStyle *style;
-  gchar *pseudo_class;
+  gchar *pseudo_classes[2];
   gchar *style_class;
 
   ClutterActor *border_image;
@@ -162,7 +162,7 @@
       break;
 
     case PROP_PSEUDO_CLASS:
-      g_value_set_string (value, priv->pseudo_class);
+      g_value_set_string (value, priv->pseudo_classes[0]);
       break;
 
     case PROP_STYLE_CLASS:
@@ -237,7 +237,9 @@
   NbtkWidgetPrivate *priv = NBTK_WIDGET (gobject)->priv;
 
   g_free (priv->style_class);
-  g_free (priv->pseudo_class);
+  g_free (priv->pseudo_classes[0]);
+  priv->pseudo_classes[0]=NULL;
+  priv->pseudo_classes[1]=NULL;
 
   clutter_color_free (priv->bg_color);
 
@@ -843,12 +845,12 @@
   return NBTK_WIDGET (stylable)->priv->style_class;
 }
 
-static const gchar*
-nbtk_widget_get_pseudo_class (NbtkStylable *stylable)
+static const gchar**
+nbtk_widget_get_pseudo_classes (NbtkStylable *stylable)
 {
   g_return_val_if_fail (NBTK_IS_WIDGET (stylable), NULL);
 
-  return NBTK_WIDGET (stylable)->priv->pseudo_class;
+  return NBTK_WIDGET (stylable)->priv->pseudo_classes;
 }
 
 static gboolean
@@ -924,12 +926,22 @@
  * Returns: the pseudo class string. The string is owned by the #NbtkWidget and
  * should not be modified or freed.
  */
-const gchar*
-nbtk_widget_get_style_pseudo_class (NbtkWidget *actor)
+const gchar**
+nbtk_widget_get_style_pseudo_classes (NbtkWidget *actor)
 {
   g_return_val_if_fail (NBTK_IS_WIDGET (actor), NULL);
 
-  return actor->priv->pseudo_class;
+  return actor->priv->pseudo_classes;
+}
+const gchar*
+nbtk_widget_get_style_pseudo_class (NbtkWidget *actor)
+{
+  const gchar** result=NULL;
+  result = nbtk_widget_get_style_pseudo_classes(actor);
+  if (result && result[0]) {
+    return result[0];
+  }
+  return NULL;
 }
 
 /**
@@ -949,10 +961,11 @@
 
   priv = actor->priv;
 
-  if (g_strcmp0 (pseudo_class, priv->pseudo_class))
+  priv->pseudo_classes[1] = NULL;
+  if (g_strcmp0 (pseudo_class, priv->pseudo_classes[0]))
     {
-      g_free (priv->pseudo_class);
-      priv->pseudo_class = g_strdup (pseudo_class);
+      g_free (priv->pseudo_classes[0]);
+      priv->pseudo_classes[0] = g_strdup (pseudo_class);
 
       nbtk_stylable_changed ((NbtkStylable*) actor);
 
@@ -1033,8 +1046,8 @@
       iface->get_container = nbtk_widget_get_container;
       iface->get_style_id = nbtk_widget_get_style_id;
       iface->get_style_type = nbtk_widget_get_style_type;
-      iface->get_style_class = nbtk_widget_get_style_class;
-      iface->get_pseudo_class = nbtk_widget_get_pseudo_class;
+      iface->get_style_class = nbtk_widget_get_style_class;
+      iface->get_pseudo_classes = nbtk_widget_get_pseudo_classes;
       /* iface->get_attribute = nbtk_widget_get_attribute; */
       iface->get_viewport = nbtk_widget_get_viewport;
     }
diff -ruN nbtk-1.1.13git20091027/nbtk/nbtk-widget.h nbtk-1.1.13git20091027.new/nbtk/nbtk-widget.h
--- nbtk-1.1.13git20091027/nbtk/nbtk-widget.h	2009-10-27 10:16:20.000000000 -0400
+++ nbtk-1.1.13git20091027.new/nbtk/nbtk-widget.h	2009-10-27 14:05:21.000000000 -0400
@@ -79,6 +79,7 @@
 void                  nbtk_widget_set_style_pseudo_class (NbtkWidget   *actor,
                                                           const gchar  *pseudo_class);
 G_CONST_RETURN gchar *nbtk_widget_get_style_pseudo_class (NbtkWidget   *actor);
+G_CONST_RETURN gchar **nbtk_widget_get_style_pseudo_classes (NbtkWidget   *actor);
 void                  nbtk_widget_set_style_class_name   (NbtkWidget   *actor,
                                                           const gchar  *style_class);
 G_CONST_RETURN gchar *nbtk_widget_get_style_class_name   (NbtkWidget   *actor);