diff --git a/README.md b/README.md
index 07d1202..88efa9a 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@
 <!-- TODO
 
 - [ ] tex support sucks, remove it entirely
+- [ ] faire une stack (?????|style) pour ce pauvre dialogue d'export
 - [ ] casser prefs_and_export en 2 mais intelligemment
 - [ ] help labels and links for pandoc too! et toutes les pages en fait
 - [ ] CSS for admonitions (and other default plugins ?)
diff --git a/markdown_preview/prefs.ui b/markdown_preview/prefs.ui
index 615c3be..3495d55 100644
--- a/markdown_preview/prefs.ui
+++ b/markdown_preview/prefs.ui
@@ -3,7 +3,7 @@
   <object class="GtkStack" id="stack">
     <property name="margin">10</property>
     <property name="visible">True</property>
-    <property name="transition-type">crossfade</property>
+    <property name="transition-type">slide-up-down</property>
 
     <child>
       <object class="GtkBox" id="general_box">
diff --git a/markdown_preview/prefs_and_export.py b/markdown_preview/prefs_and_export.py
index f42c5d9..225c8e8 100644
--- a/markdown_preview/prefs_and_export.py
+++ b/markdown_preview/prefs_and_export.py
@@ -94,6 +94,29 @@
 	'custom': _("Custom command line")
 }
 
+REVEALJS_TRANSITIONS = {
+	'none': _("None"),
+	'fade': _("Fade"),
+	'slide': _("Slide"),
+	'convex': _("Cube (convex)"),
+	'concave': _("Cube (concave)"),
+	'zoom': _("Zoom")
+}
+
+REVEALJS_THEMES = {
+	'beige': _("Beige"),
+	'black': _("Black"),
+	'blood': _("Blood"),
+	'league': _("League"),
+	'moon': _("Moon"),
+	'night': _("Night"),
+	'serif': _("Serif"),
+	'simple': _("Simple"),
+	'sky': _("Sky"),
+	'solarized': _("Solarized"),
+	'white': _("White")
+}
+
 ################################################################################
 
 class MdRevealjsSettings():
@@ -105,10 +128,37 @@ def __init__(self, settings, parent_widget):
 		self.full_widget = builder.get_object('revealjs_box')
 
 		self.transitions_flowbox = builder.get_object('transitions_flowbox')
+		self.fill_flowbox(self.transitions_flowbox, 'revealjs-transitions', \
+		                                                   REVEALJS_TRANSITIONS)
 		self.theme_flowbox = builder.get_object('theme_flowbox')
+		self.fill_flowbox(self.theme_flowbox, 'revealjs-theme', REVEALJS_THEMES)
+
 		self.slide_num_switch = builder.get_object('slide_number_switch')
 		# TODO
 
+	def fill_flowbox(self, flowbox, setting_key, labels_dict):
+		self._radio_are_active = False
+		w0 = None
+		for id0 in labels_dict:
+			w0 = self.build_radio_btn(labels_dict[id0], id0, setting_key, w0)
+			flowbox.add(w0)
+		self._radio_are_active = True
+
+	def build_radio_btn(self, label, btn_id, key, group):
+		btn = Gtk.RadioButton(label=label, visible=True, group=group)
+		active_id = self._settings.get_string(key)
+		btn.set_active(btn_id == active_id)
+		btn.connect('toggled', self.on_radio_btn_changed, key, btn_id)
+		return btn
+
+	def on_radio_btn_changed(self, radiobtn, key, btn_id):
+		if not self._radio_are_active:
+			return
+		if key == 'revealjs-theme':
+			pass
+		elif key == 'revealjs-transitions':
+			pass
+
 	############################################################################
 ################################################################################
 
@@ -158,7 +208,7 @@ def _on_choose_css(self, *args):
 		if response == Gtk.ResponseType.ACCEPT:
 			self.css_uri = file_chooser.get_uri()
 			self._update_file_chooser_btn_label()
-			self.parent_widget.update_css(self.switch_css.get_active(), self.css_uri)
+			self.parent_widget.update_css(self.is_active(), self.css_uri)
 		file_chooser.destroy()
 
 	def _update_file_chooser_btn_label(self):
@@ -169,6 +219,9 @@ def _update_file_chooser_btn_label(self):
 			label = '…' + label[-45:]
 		self.style_label.set_label(label)
 
+	def is_active(self):
+		return self.switch_css.get_active()
+
 	############################################################################
 ################################################################################
 
@@ -417,7 +470,7 @@ def export_p3md(self):
 		start, end = doc.get_bounds()
 		unsaved_text = doc.get_text(start, end, True)
 		content = markdown.markdown(unsaved_text, extensions=md_extensions)
-		if self.css_manager.switch_css.get_active():
+		if self.css_manager.is_active():
 			pre_string = '<html><head><meta charset="utf-8" />' + \
 			      '<link rel="stylesheet" href="' + self.css_manager.css_uri + \
 			                                                 '" /></head><body>'
diff --git a/org.gnome.gedit.plugins.markdown_preview.gschema.xml b/org.gnome.gedit.plugins.markdown_preview.gschema.xml
index 356511f..18a7302 100644
--- a/org.gnome.gedit.plugins.markdown_preview.gschema.xml
+++ b/org.gnome.gedit.plugins.markdown_preview.gschema.xml
@@ -19,9 +19,37 @@
     </key>
     <key type="b" name="auto-reload">
       <default>true</default>
-      <summary></summary>
+      <summary>Automatically reload the preview</summary>
       <description></description>
     </key>
+
+    <key type="b" name="use-style">
+      <default>false</default>
+      <summary>Use a stylesheet</summary>
+      <description></description>
+    </key>
+    <key type="s" name="style">
+      <default>''</default>
+      <summary>Stylesheet URI</summary>
+      <description></description>
+    </key>
+
+    <key type="s" name="revealjs-theme">
+      <default>'black'</default>
+      <summary>Name of the revealjs theme</summary>
+      <description>Values can be </description>
+    </key>
+    <key type="s" name="revealjs-transitions">
+      <default>'none'</default>
+      <summary>Type of transitions</summary>
+      <description>Values can be </description>
+    </key>
+    <key type="b" name="revealjs-slide-num">
+      <default>true</default>
+      <summary>Display slide numbers</summary>
+      <description></description>
+    </key>
+
     <key type="s" name="backend">
       <default>'pandoc'</default>
       <summary>Favorite backend for the preview</summary>
@@ -37,16 +65,6 @@
       <summary>Custom rendering command</summary>
       <description></description>
     </key>
-    <key type="b" name="use-style">
-      <default>false</default>
-      <summary>Use a stylesheet</summary>
-      <description></description>
-    </key>
-    <key type="s" name="style">
-      <default>""</default>
-      <summary>Stylesheet URI</summary>
-      <description></description>
-    </key>
     <key type="as" name="extensions">
       <default>['extra', 'sane_lists', 'toc']</default>
       <summary>Enabled extensions</summary>