diff --git a/IPython/html/static/widgets/js/widget_bool.js b/IPython/html/static/widgets/js/widget_bool.js
index e9cbb2d0b..5236158b0 100644
--- a/IPython/html/static/widgets/js/widget_bool.js
+++ b/IPython/html/static/widgets/js/widget_bool.js
@@ -11,7 +11,7 @@ define([
         render : function(){
             // Called when view is rendered.
             this.$el
-                .addClass('widget-hbox');
+                .addClass('widget-hbox widget-checkbox');
             this.$label = $('<div />')
                 .addClass('widget-label')
                 .appendTo(this.$el)
diff --git a/IPython/html/static/widgets/js/widget_int.js b/IPython/html/static/widgets/js/widget_int.js
index 48566c535..7334f1c75 100644
--- a/IPython/html/static/widgets/js/widget_int.js
+++ b/IPython/html/static/widgets/js/widget_int.js
@@ -11,7 +11,7 @@ define([
         render : function(){
             // Called when view is rendered.
             this.$el
-                .addClass('widget-hbox');
+                .addClass('widget-hbox widget-slider');
             this.$label = $('<div />')
                 .appendTo(this.$el)
                 .addClass('widget-label')
@@ -189,7 +189,7 @@ define([
         render : function(){
             // Called when view is rendered.
             this.$el
-                .addClass('widget-hbox');
+                .addClass('widget-hbox widget-text');
             this.$label = $('<div />')
                 .appendTo(this.$el)
                 .addClass('widget-label')
@@ -297,7 +297,7 @@ define([
         render : function(){
             // Called when view is rendered.
             this.$el
-                .addClass('widget-hbox');
+                .addClass('widget-hbox widget-progress');
             this.$label = $('<div />')
                 .appendTo(this.$el)
                 .addClass('widget-label')
diff --git a/IPython/html/static/widgets/js/widget_selection.js b/IPython/html/static/widgets/js/widget_selection.js
index cf32ac2fd..1f411d53e 100644
--- a/IPython/html/static/widgets/js/widget_selection.js
+++ b/IPython/html/static/widgets/js/widget_selection.js
@@ -12,7 +12,7 @@ define([
         render : function(){
             // Called when view is rendered.
             this.$el
-                .addClass('widget-hbox');
+                .addClass('widget-hbox widget-dropdown');
             this.$label = $('<div />')
                 .appendTo(this.$el)
                 .addClass('widget-label')
@@ -152,7 +152,7 @@ define([
         render : function(){
             // Called when view is rendered.
             this.$el
-                .addClass('widget-hbox');
+                .addClass('widget-hbox widget-radio');
             this.$label = $('<div />')
                 .appendTo(this.$el)
                 .addClass('widget-label')
@@ -251,7 +251,7 @@ define([
         render: function() {
             // Called when view is rendered.
             this.$el
-                .addClass('widget-hbox');
+                .addClass('widget-hbox widget-toggle-buttons');
             this.$label = $('<div />')
                 .appendTo(this.$el)
                 .addClass('widget-label')
@@ -381,7 +381,7 @@ define([
         render : function(){
             // Called when view is rendered.
             this.$el
-                .addClass('widget-hbox');
+                .addClass('widget-hbox widget-select');
             this.$label = $('<div />')
                 .appendTo(this.$el)
                 .addClass('widget-label')
diff --git a/IPython/html/static/widgets/js/widget_string.js b/IPython/html/static/widgets/js/widget_string.js
index b57155297..535a80c8f 100644
--- a/IPython/html/static/widgets/js/widget_string.js
+++ b/IPython/html/static/widgets/js/widget_string.js
@@ -47,7 +47,7 @@ define([
         render: function(){
             // Called when view is rendered.
             this.$el
-                .addClass('widget-hbox');
+                .addClass('widget-hbox widget-textarea');
             this.$label = $('<div />')
                 .appendTo(this.$el)
                 .addClass('widget-label')
@@ -135,7 +135,7 @@ define([
         render: function(){
             // Called when view is rendered.
             this.$el
-                .addClass('widget-hbox');
+                .addClass('widget-hbox widget-text');
             this.$label = $('<div />')
                 .addClass('widget-label')
                 .appendTo(this.$el)