Index: xword/ContentFiltering/ContentFiltering.csproj
===================================================================
--- xword/ContentFiltering/ContentFiltering.csproj	(revision 22406)
+++ xword/ContentFiltering/ContentFiltering.csproj	(working copy)
@@ -90,6 +90,7 @@
     <Compile Include="Office\Word\Filters\WebImageAdaptorFilter.cs" />
     <Compile Include="Office\Word\Filters\WebListsAdaptorFilter.cs" />
     <Compile Include="Office\Word\Filters\WebMacrosAdaptorFilter.cs" />
+    <Compile Include="Office\Word\Filters\WebToLocalStyleFilter.cs" />
     <Compile Include="Office\Word\ImageInfo.cs" />
     <Compile Include="Office\Word\Filters\LocalListsAdaptorFilter.cs" />
     <Compile Include="Office\Word\LocalToWebHTML.cs" />
Index: xword/ContentFiltering/Html/CSSUtil.cs
===================================================================
--- xword/ContentFiltering/Html/CSSUtil.cs	(revision 22406)
+++ xword/ContentFiltering/Html/CSSUtil.cs	(working copy)
@@ -87,17 +87,35 @@
                         continue;
                     }
                     properties = cssClass.Substring(firstBrace + 1).Replace('"', '\'');
+
+                    //clean whitespaces (spaces, tabs, new lines) from CSS properites
+                    Regex whiteSpaceRegex = new Regex("\\s+", RegexOptions.Singleline | RegexOptions.Multiline);
+                    properties = whiteSpaceRegex.Replace(properties, "");
+
                     char[] comma = { ',' };
                     string[] cssNames = cssClass.Substring(0, firstBrace).Split(comma);
                     foreach (string className in cssNames)
                     {
-                        //do not include the dot in the CSS class name or the pound in CSS id
-                        classesNames.Add(className.Trim().Substring(1));
+                        string cname=className.Trim();
+                        //only if it's a CSS class name or CSS id, and does not have pseudoselectors
+                        if ((cname.IndexOf('.') == 0 || cname.IndexOf('#') == 0) && cname.IndexOf(':')<0)
+                        {
+                            //do not include the dot in the CSS class name or the pound in CSS id
+                            classesNames.Add(cname.Substring(1));
+                        }
                     }
 
                     foreach (string identifiedClassName in classesNames)
                     {
-                        identifiedCSSClassesAndIDs.Add(identifiedClassName, properties);
+                        string currentProperties = "";
+                        if (identifiedCSSClassesAndIDs.Contains(identifiedClassName))
+                        {
+                            currentProperties = identifiedCSSClassesAndIDs[identifiedClassName].ToString();
+                        }
+                        
+                        currentProperties += properties;
+                        identifiedCSSClassesAndIDs.Remove(identifiedClassName);
+                        identifiedCSSClassesAndIDs.Add(identifiedClassName, currentProperties);
                     }
                 }
             }
Index: xword/ContentFiltering/Office/Word/Filters/WebToLocalStyleFilter.cs
===================================================================
--- xword/ContentFiltering/Office/Word/Filters/WebToLocalStyleFilter.cs	(revision 0)
+++ xword/ContentFiltering/Office/Word/Filters/WebToLocalStyleFilter.cs	(revision 0)
@@ -0,0 +1,80 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using XWiki.Office.Word;
+using System.Xml;
+using ContentFiltering.Html;
+using ContentFiltering.StyleSheetExtensions;
+
+namespace ContentFiltering.Office.Word.Filters
+{
+    /// <summary>
+    /// Gets the StyleSheetExtensions objects for a page and inserts the CSS in the XmlDocument.
+    /// </summary>
+    public class WebToLocalStyleFilter:IDOMFilter
+    {
+        private ConversionManager manager;
+
+        public WebToLocalStyleFilter(ConversionManager manager)
+        {
+            this.manager = manager;
+        }
+
+        #region IDOMFilter Members
+
+        public void Filter(ref XmlDocument xmlDoc)
+        {
+            XmlNode styleNode = GetStyleNode(ref xmlDoc);
+            string cssContent = ExtractCSSFromStyleSheetExtensions();
+            styleNode.InnerText = cssContent;
+
+            CSSUtil.InlineCSS(ref xmlDoc);
+            
+        }
+
+        #endregion IDOMFilter Members
+
+
+        /// <summary>
+        /// Gets or creates a style node in the XmlDocument.
+        /// </summary>
+        /// <param name="xmlDoc">A reference to the <code>XmlDocument</code>.</param>
+        /// <returns>Existing or created style node.</returns>
+        private XmlNode GetStyleNode(ref XmlDocument xmlDoc)
+        {
+            XmlNode bodyNode = xmlDoc.GetElementsByTagName("body")[0];
+            if (bodyNode == null)
+            {
+                bodyNode = xmlDoc.CreateElement("body");
+                xmlDoc.InsertBefore(bodyNode, xmlDoc.ChildNodes[0]);
+            }
+            XmlNode headNode = xmlDoc.GetElementsByTagName("head")[0];
+            if (headNode == null)
+            {
+                headNode = xmlDoc.CreateElement("head");
+                bodyNode.ParentNode.InsertBefore(headNode, bodyNode);
+            }
+            XmlNode styleNode = xmlDoc.GetElementsByTagName("style")[0];
+            if (styleNode == null)
+            {
+                styleNode = xmlDoc.CreateElement("style");
+                headNode.AppendChild(styleNode);
+            }
+
+            return styleNode;
+        }
+
+
+        /// <summary>
+        /// Extracts the CSS from StyleSheetExtension objects.
+        /// </summary>
+        /// <returns></returns>
+        private string ExtractCSSFromStyleSheetExtensions()
+        {
+            SSXManager ssxManager = SSXManager.BuildFromServerPage(manager);
+            return ssxManager.PageCSSContent;
+        }
+
+    }
+}
Index: xword/ContentFiltering/Office/Word/WebToLocalHTML.cs
===================================================================
--- xword/ContentFiltering/Office/Word/WebToLocalHTML.cs	(revision 22406)
+++ xword/ContentFiltering/Office/Word/WebToLocalHTML.cs	(working copy)
@@ -111,7 +111,8 @@
             {
                 new WebMacrosAdaptorFilter(manager),
                 new WebImageAdaptorFilter(manager),
-                new WebListsAdaptorFilter(manager)
+                new WebListsAdaptorFilter(manager),
+                new WebToLocalStyleFilter(manager)
             };
 
             foreach (IDOMFilter webToLocalFilter in webToLocalFilters)