diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/en.xml b/src/Umbraco.Web.UI/umbraco/config/lang/en.xml
index 54818e4477..79fad32639 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/en.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/en.xml
@@ -845,6 +845,7 @@ To manage your website, simply open the Umbraco back office and start adding con
     <key alias="scriptSavedText">Script view saved without any errors!</key>
     <key alias="scriptErrorHeader">Script view not saved</key>
     <key alias="scriptErrorText">An error occurred saving the file.</key>
+    <key alias="cssErrorText">An error occurred saving the file.</key>
   </area>
   <area alias="stylesheet">
     <key alias="aliasHelp">Uses CSS syntax ex: h1, .redHeader, .blueTex</key>
diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/en_us.xml b/src/Umbraco.Web.UI/umbraco/config/lang/en_us.xml
index 3548526c83..4da1607c4b 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/en_us.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/en_us.xml
@@ -846,6 +846,7 @@ To manage your website, simply open the Umbraco back office and start adding con
     <key alias="scriptSavedText">Script view saved without any errors!</key>
     <key alias="scriptErrorHeader">Script view not saved</key>
     <key alias="scriptErrorText">An error occurred saving the file.</key>
+    <key alias="cssErrorText">An error occurred saving the file.</key>
   </area>
   <area alias="stylesheet">
     <key alias="aliasHelp">Uses CSS syntax ex: h1, .redHeader, .blueTex</key>
diff --git a/src/Umbraco.Web/WebServices/SaveFileController.cs b/src/Umbraco.Web/WebServices/SaveFileController.cs
index bdae3e0804..cae33983da 100644
--- a/src/Umbraco.Web/WebServices/SaveFileController.cs
+++ b/src/Umbraco.Web/WebServices/SaveFileController.cs
@@ -187,7 +187,7 @@ namespace Umbraco.Web.WebServices
         [HttpPost]
         public JsonResult SaveScript(string filename, string oldName, string contents)
         {
-            filename = filename.TrimStart(System.IO.Path.DirectorySeparatorChar);
+            filename = filename.TrimStart('/', '\\');
 
             var svce = (FileService) Services.FileService;
             var script = svce.GetScriptByName(oldName);
@@ -220,6 +220,42 @@ namespace Umbraco.Web.WebServices
                 });
         }
 
+        [HttpPost]
+        public JsonResult SaveStylesheet(string filename, string oldName, string contents)
+        {
+            filename = filename.TrimStart('/', '\\');
+
+            var svce = (FileService) Services.FileService;
+            var stylesheet = svce.GetStylesheetByName(oldName);
+            if (stylesheet == null)
+                stylesheet = new Stylesheet(filename);
+            else
+                stylesheet.Path = filename;
+            stylesheet.Content = contents;
+
+            try
+            {
+                if (svce.ValidateStylesheet(stylesheet) == false)
+                    return Failed(ui.Text("speechBubbles", "cssErrorText"), ui.Text("speechBubbles", "cssErrorHeader"),
+                                    new FileSecurityException("File '" + filename + "' is not a valid stylesheet file."));
+
+                svce.SaveStylesheet(stylesheet);
+            }
+            catch (Exception e)
+            {
+                return Failed(ui.Text("speechBubbles", "cssErrorText"), ui.Text("speechBubbles", "cssErrorHeader"), e);
+            }
+
+            return Success(ui.Text("speechBubbles", "cssSavedText"), ui.Text("speechBubbles", "cssSavedHeader"),
+                new
+                {
+                    path = DeepLink.GetTreePathFromFilePath(stylesheet.Path),
+                    name = stylesheet.Path,
+                    url = stylesheet.VirtualPath,
+                    contents = stylesheet.Content
+                });
+        }
+
         /// <summary>
         /// Returns a successful message
         /// </summary>