diff --git a/pinaxcon/templates/symposion/schedule/session_detail.html b/pinaxcon/templates/symposion/schedule/session_detail.html
index 3f59677c..4bedc95e 100644
--- a/pinaxcon/templates/symposion/schedule/session_detail.html
+++ b/pinaxcon/templates/symposion/schedule/session_detail.html
@@ -32,7 +32,7 @@
                 <form method="POST">
                     {% csrf_token %}
                     <input type="hidden" name="role" value="un-chair" />
-                    <input type="submit" value="Opt out" class="btn"/>
+                    <input type="submit" value="Opt out" class="btn btn-info"/>
                 </form>
             {% endif %}
         {% else %}
@@ -42,7 +42,7 @@
                         <form method="POST">
                             {% csrf_token %}
                             <input type="hidden" name="role" value="chair" />
-                            <input type="submit" class="btn" value="Volunteer to be session chair"/>
+                            <input type="submit" class="btn btn-success" value="Volunteer to be session chair"/>
                         </form>
                     {% endif %}
                 {% else %}