diff --git a/glade/main.glade b/glade/main.glade
index 5904919..b9032b4 100644
--- a/glade/main.glade
+++ b/glade/main.glade
@@ -2,6 +2,16 @@
 <!-- Generated with glade 3.22.1 -->
 <interface>
   <requires lib="gtk+" version="3.20"/>
+  <object class="GtkImage" id="image1">
+    <property name="visible">True</property>
+    <property name="can_focus">False</property>
+    <property name="stock">gtk-go-up</property>
+  </object>
+  <object class="GtkImage" id="image2">
+    <property name="visible">True</property>
+    <property name="can_focus">False</property>
+    <property name="stock">gtk-go-down</property>
+  </object>
   <object class="GtkWindow" id="main-window">
     <property name="height_request">250</property>
     <property name="can_focus">False</property>
@@ -132,23 +142,74 @@
           </packing>
         </child>
         <child>
-          <object class="GtkScrolledWindow">
+          <object class="GtkBox">
             <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="hscrollbar_policy">never</property>
-            <property name="shadow_type">in</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
             <child>
-              <object class="GtkViewport">
+              <object class="GtkBox">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
                 <child>
-                  <object class="GtkListBox" id="layer-list">
+                  <object class="GtkButton" id="button-up-sort">
+                    <property name="visible">True</property>
+                    <property name="can_focus">True</property>
+                    <property name="receives_default">True</property>
+                    <property name="image">image1</property>
+                    <property name="always_show_image">True</property>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkButton" id="button-down-sort">
+                    <property name="visible">True</property>
+                    <property name="can_focus">True</property>
+                    <property name="receives_default">True</property>
+                    <property name="image">image2</property>
+                    <property name="always_show_image">True</property>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">1</property>
+                  </packing>
+                </child>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkScrolledWindow">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="hscrollbar_policy">never</property>
+                <property name="shadow_type">in</property>
+                <child>
+                  <object class="GtkViewport">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
-                    <property name="selection_mode">none</property>
+                    <child>
+                      <object class="GtkListBox" id="layer-list">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="selection_mode">none</property>
+                      </object>
+                    </child>
                   </object>
                 </child>
               </object>
+              <packing>
+                <property name="expand">True</property>
+                <property name="fill">True</property>
+                <property name="position">1</property>
+              </packing>
             </child>
           </object>
           <packing>