diff --git a/app/assets/stylesheets/embed.css.scss b/app/assets/stylesheets/embed.css.scss
index cc4865d7a58..2f6b1ebf962 100644
--- a/app/assets/stylesheets/embed.css.scss
+++ b/app/assets/stylesheets/embed.css.scss
@@ -5,7 +5,7 @@
 @import "./common/foundation/colors";
 @import "./common/base/onebox";
 
-article {
+article.post {
   border-bottom: 1px solid #ddd;
 
   &.deleted {
@@ -113,7 +113,7 @@ img.emoji {
   color: #999;
 }
 
-header {
+header.discourse {
   padding: 10px 10px 20px 10px;
   font-size: 1.286em;
   border-bottom: 1px solid #ddd;
diff --git a/app/views/embed/comments.html.erb b/app/views/embed/comments.html.erb
index 0608da9d644..72974665ff9 100644
--- a/app/views/embed/comments.html.erb
+++ b/app/views/embed/comments.html.erb
@@ -1,4 +1,4 @@
-<header class='embedded'>
+<header class='discourse'>
   <% if @topic_view.topic.posts_count < 2 %>
     <%= link_to(I18n.t('embed.start_discussion'), @topic_view.topic.url, class: 'button', target: '_blank') %>
   <% elsif @topic_view.topic.posts_count > 10 %>