diff --git a/plone/app/discussion/browser/comments.py b/plone/app/discussion/browser/comments.py
index 0a113c1..c6f8145 100644
--- a/plone/app/discussion/browser/comments.py
+++ b/plone/app/discussion/browser/comments.py
@@ -80,7 +80,7 @@ class ReplyButtonAction(button.ButtonAction):
 
 def replyButtonActionFactory(request, field):
     button = ReplyButtonAction(request, field)
-    button.klass += " context"
+    button.klass += " context hide"
     return button
 
 class CancelButtonAction(button.ButtonAction):
@@ -89,7 +89,7 @@ class CancelButtonAction(button.ButtonAction):
 
 def cancelButtonActionFactory(request, field):
     button = ReplyButtonAction(request, field)
-    button.klass += " standalone"
+    button.klass += " standalone hide"
     return button
 
 
diff --git a/plone/app/discussion/browser/javascripts/comments.js b/plone/app/discussion/browser/javascripts/comments.js
index a3b68da..a7bcd5b 100644
--- a/plone/app/discussion/browser/javascripts/comments.js
+++ b/plone/app/discussion/browser/javascripts/comments.js
@@ -72,8 +72,8 @@ jq(document).ready(function() {
         reply_form.find("input[name='form.buttons.comment']").css("display", "none");
 
         /* Show the reply and cancel buttons. */
-        reply_form.find("input[name='form.buttons.reply']").css("display", "inline");
-        reply_form.find("input[name='form.buttons.cancel']").css("display", "inline");
+        reply_form.find("input[name='form.buttons.reply']").removeClass("hide");
+        reply_form.find("input[name='form.buttons.cancel']").removeClass("hide");
 
         /* Show the reply layer with a slide down effect */
         reply_div.slideDown("slow");
diff --git a/plone/app/discussion/browser/stylesheets/discussion.css b/plone/app/discussion/browser/stylesheets/discussion.css
index e98f58f..a20e7b9 100644
--- a/plone/app/discussion/browser/stylesheets/discussion.css
+++ b/plone/app/discussion/browser/stylesheets/discussion.css
@@ -1,5 +1,8 @@
 /* plone.app.discussion stylesheet */
 
+.hide {
+    display: none;
+}
 
 /* Comments Viewlet
    ---------------------------------------------------------------- */