diff --git a/configure.ac b/configure.ac
index 5bdd15a4..0aa0dc1c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([sugar-toolkit-gtk3],[0.107.2],[],[sugar-toolkit-gtk3])
+AC_INIT([sugar-toolkit-gtk3],[0.108.0],[],[sugar-toolkit-gtk3])
 
 AC_PREREQ([2.59])
 
diff --git a/src/sugar3/activity/activityfactory.py b/src/sugar3/activity/activityfactory.py
index a948c260..d3cdb1e0 100644
--- a/src/sugar3/activity/activityfactory.py
+++ b/src/sugar3/activity/activityfactory.py
@@ -38,6 +38,7 @@ import os
 import tempfile
 import subprocess
 import pwd
+import shutil
 
 _SHELL_SERVICE = 'org.laptop.Shell'
 _SHELL_PATH = '/org/laptop/Shell'
@@ -67,26 +68,30 @@ def create_activity_id():
     return util.unique_id()
 
 
+def _mkdir(path):
+    try:
+        os.mkdir(path)
+    except OSError, e:
+        if e.errno != EEXIST:
+            raise e
+
+
 def get_environment(activity):
     environ = os.environ.copy()
 
     bin_path = os.path.join(activity.get_path(), 'bin')
 
     activity_root = env.get_profile_path(activity.get_bundle_id())
-    if not os.path.exists(activity_root):
-        os.mkdir(activity_root)
+    _mkdir(activity_root)
 
-    data_dir = os.path.join(activity_root, 'instance')
-    if not os.path.exists(data_dir):
-        os.mkdir(data_dir)
+    instance_dir = os.path.join(activity_root, 'instance')
+    _mkdir(instance_dir)
 
     data_dir = os.path.join(activity_root, 'data')
-    if not os.path.exists(data_dir):
-        os.mkdir(data_dir)
+    _mkdir(data_dir)
 
     tmp_dir = os.path.join(activity_root, 'tmp')
-    if not os.path.exists(tmp_dir):
-        os.mkdir(tmp_dir)
+    _mkdir(tmp_dir)
 
     environ['SUGAR_BUNDLE_PATH'] = activity.get_path()
     environ['SUGAR_BUNDLE_ID'] = activity.get_bundle_id()
@@ -222,30 +227,6 @@ class ActivityCreationHandler(GObject.GObject):
                               self._handle.object_id, self._handle.uri,
                               self._handle.invited)
 
-        environment_dir = None
-        if os.path.exists('/etc/olpc-security') \
-                and os.access('/usr/bin/rainbow-run', os.X_OK):
-            environment_dir = tempfile.mkdtemp()
-            command = ['sudo', '-E', '--',
-                       'rainbow-run',
-                       '-v', '-v',
-                       '-a', 'rainbow-sugarize',
-                       '-s', '/var/spool/rainbow/2',
-                       '-f', '1',
-                       '-f', '2',
-                       '-c', self._bundle.get_path(),
-                       '-u', pwd.getpwuid(os.getuid()).pw_name,
-                       '-i', environ['SUGAR_BUNDLE_ID'],
-                       '-e', environment_dir,
-                       '--',
-                       ] + command
-
-            for key, value in environ.items():
-                file_path = os.path.join(environment_dir, str(key))
-                open(file_path, 'w').write(str(value))
-
-            log_file.write(' '.join(command) + '\n\n')
-
         dev_null = file('/dev/null', 'r')
         child = subprocess.Popen([str(s) for s in command],
                                  env=environ,
@@ -257,8 +238,8 @@ class ActivityCreationHandler(GObject.GObject):
 
         GObject.child_watch_add(child.pid,
                                 _child_watch_cb,
-                                (environment_dir, log_file,
-                                    self._handle.activity_id))
+                                (log_file,
+                                 self._handle.activity_id))
 
     def _no_reply_handler(self, *args):
         pass
@@ -319,11 +300,7 @@ def create_with_object_id(bundle, object_id):
 
 
 def _child_watch_cb(pid, condition, user_data):
-    # FIXME we use standalone method here instead of ActivityCreationHandler's
-    # member to have workaround code, see #1123
-    environment_dir, log_file, activity_id = user_data
-    if environment_dir is not None:
-        subprocess.call(['/bin/rm', '-rf', environment_dir])
+    log_file, activity_id = user_data
 
     if os.WIFEXITED(condition):
         status = os.WEXITSTATUS(condition)
diff --git a/src/sugar3/graphics/alert.py b/src/sugar3/graphics/alert.py
index 70f86954..e5a4d3a9 100644
--- a/src/sugar3/graphics/alert.py
+++ b/src/sugar3/graphics/alert.py
@@ -209,6 +209,8 @@ class Alert(Gtk.EventBox):
 
     def __button_clicked_cb(self, button, response_id):
         self._response(response_id)
+if hasattr(Alert, 'set_css_name'):
+    Alert.set_css_name('alert')
 
 
 class ConfirmationAlert(Alert):
@@ -344,6 +346,8 @@ class _TimeoutIcon(Gtk.Alignment):
 
     def set_text(self, text):
         self._text.set_markup('<b>%s</b>' % GLib.markup_escape_text(str(text)))
+if hasattr(_TimeoutIcon, 'set_css_name'):
+    _TimeoutIcon.set_css_name('timeouticon')
 
 
 class _TimeoutAlert(Alert):
diff --git a/src/sugar3/graphics/icon.py b/src/sugar3/graphics/icon.py
index 09565692..d2a36f73 100644
--- a/src/sugar3/graphics/icon.py
+++ b/src/sugar3/graphics/icon.py
@@ -831,6 +831,8 @@ class CanvasIcon(EventIcon):
 
     def __palette_popdown_cb(self, palette):
         self.unset_state_flags(Gtk.StateFlags.PRELIGHT)
+if hasattr(CanvasIcon, 'set_css_name'):
+    CanvasIcon.set_css_name('canvasicon')
 
 
 class CellRendererIcon(Gtk.CellRenderer):
diff --git a/src/sugar3/graphics/palettewindow.py b/src/sugar3/graphics/palettewindow.py
index 5f59646b..7f105857 100644
--- a/src/sugar3/graphics/palettewindow.py
+++ b/src/sugar3/graphics/palettewindow.py
@@ -363,7 +363,7 @@ class _PaletteWindowWidget(Gtk.Window):
 
         allocation = self.get_allocation()
         context = self.get_style_context()
-        context.add_class('toolitem')
+        context.add_class('palette')
         if gap:
             cr.save()
             cr.set_source_rgb(0, 0, 0)
@@ -406,6 +406,8 @@ class _PaletteWindowWidget(Gtk.Window):
         self.disconnect_by_func(self.__enter_notify_event_cb)
         self.disconnect_by_func(self.__leave_notify_event_cb)
         self.hide()
+if hasattr(_PaletteWindowWidget, 'set_css_name'):
+    _PaletteWindowWidget.set_css_name('palette')
 
 
 class MouseSpeedDetector(GObject.GObject):
@@ -1196,6 +1198,7 @@ class WidgetInvoker(Invoker):
 
         context = self.parent.get_style_context()
         context.add_class('toolitem')
+        context.add_class('palette-down')
 
         gap = _calculate_gap(self.get_rect(), palette.get_rect())
         if gap:
diff --git a/src/sugar3/graphics/toolbarbox.py b/src/sugar3/graphics/toolbarbox.py
index 8de60071..ee2b4cb0 100644
--- a/src/sugar3/graphics/toolbarbox.py
+++ b/src/sugar3/graphics/toolbarbox.py
@@ -130,6 +130,7 @@ class ToolbarButton(ToolButton):
         alloc = self.get_allocation()
         context = self.get_style_context()
         context.add_class('toolitem')
+        context.add_class('toolbar-down')
         if not self.is_expanded() or self.props.palette is not None and \
                 self.props.palette.is_up():
             ToolButton.do_draw(self, cr)
@@ -202,6 +203,8 @@ class ToolbarBox(Gtk.VBox):
         if button == self.expanded_button:
             self.remove(button.page_widget)
             self._expanded_button_index = -1
+if hasattr(ToolbarBox, 'set_css_name'):
+    ToolbarBox.set_css_name('toolbarbox')
 
 
 class _ToolbarPalette(PaletteWindow):
diff --git a/src/sugar3/graphics/tray.py b/src/sugar3/graphics/tray.py
index 21f7f0d6..e44334e5 100644
--- a/src/sugar3/graphics/tray.py
+++ b/src/sugar3/graphics/tray.py
@@ -323,6 +323,8 @@ class HTray(Gtk.EventBox):
 
     def scroll_to_item(self, item):
         self._viewport.scroll_to_item(item)
+if hasattr(HTray, 'set_css_name'):
+    HTray.set_css_name('htray')
 
 
 class VTray(Gtk.EventBox):
@@ -414,6 +416,8 @@ class VTray(Gtk.EventBox):
 
     def scroll_to_item(self, item):
         self._viewport.scroll_to_item(item)
+if hasattr(VTray, 'set_css_name'):
+    VTray.set_css_name('VTray')
 
 
 class TrayButton(ToolButton):