diff --git a/notebook_sphinxext.py b/notebook_sphinxext.py
index 0529122..83d60ba 100644
--- a/notebook_sphinxext.py
+++ b/notebook_sphinxext.py
@@ -24,11 +24,11 @@ class Notebook(Directive):
     has_content = False
 
     def run(self):
-        if (not self.state.document.settings.raw_enabled
-            or (not self.state.document.settings.file_insertion_enabled
-                and ('file' in self.options
-                     or 'url' in self.options))):
+        # check if raw html is supported
+        if not self.state.document.settings.raw_enabled:
             raise self.warning('"%s" directive disabled.' % self.name)
+
+        # set up encoding
         attributes = {'format': 'html'}
         encoding = self.options.get(
             'encoding', self.state.document.settings.input_encoding)
@@ -37,35 +37,34 @@ class Notebook(Directive):
         # get path to notebook
         source_dir = os.path.dirname(
             os.path.abspath(self.state.document.current_source))
-        path = os.path.normpath(os.path.join(source_dir,
-                                             self.arguments[0]))
-        path = utils.relative_path(None, path)
+        nb_path = os.path.normpath(os.path.join(source_dir,
+                                                self.arguments[0]))
+        nb_path = utils.relative_path(None, nb_path)
 
         # convert notebook to html
-        converter = ConverterHTML(path)
-        htmlfname = converter.render()
-        htmlpath = utils.relative_path(None, htmlfname)
-
-        try:
-            raw_file = io.FileInput(source_path=htmlpath,
-                                    encoding=encoding,
-                                    error_handler=e_handler)
-            # TODO: currently, raw input files are recorded as
-            # dependencies even if not used for the chosen output format.
-            self.state.document.settings.record_dependencies.add(htmlpath)
-        except IOError, error:
-            raise self.severe(u'Problems with "%s" directive path:\n%s.'
-                              % (self.name, ErrorString(error)))
-        try:
-            text = raw_file.read()
-        except UnicodeError, error:
-            raise self.severe(u'Problem with "%s" directive:\n%s'
-                              % (self.name, ErrorString(error)))
-        attributes['source'] = htmlpath
+        converter = ConverterHTML(nb_path)
+        converter.read()
+
+        # add HTML5 scoped attribute to header style tags
+        header = map(lambda s: s.replace('<style', '<style scoped="scoped"'),
+                     converter.header_body())
+
+        # concatenate raw html lines
+        lines = ['<div class="ipynotebook">']
+        lines.extend(header)
+        lines.extend(converter.main_body())
+        lines.append('</div>')
+        text = '\n'.join(lines)
 
+        # add dependency
+        self.state.document.settings.record_dependencies.add(nb_path)
+        attributes['source'] = nb_path
+
+        # create notebook node
         nb_node = notebook('', text, **attributes)
-        (nb_node.source,
-        nb_node.line) = self.state_machine.get_source_and_line(self.lineno)
+        (nb_node.source, nb_node.line) = \
+            self.state_machine.get_source_and_line(self.lineno)
+
         return [nb_node]