diff --git a/app/assets/stylesheets/specific/posts.css.scss b/app/assets/stylesheets/specific/posts.css.scss
index eba324967..1f467e2f7 100644
--- a/app/assets/stylesheets/specific/posts.css.scss
+++ b/app/assets/stylesheets/specific/posts.css.scss
@@ -179,7 +179,7 @@ div#c-posts {
   }
 
   div#a-index {
-    #content {
+    #content.with-ads {
       margin-right: 6.5em;
     }
 
@@ -239,7 +239,7 @@ div#c-posts {
       padding: 1em 0.5em;
     }
     
-    #content {
+    #content.with-ads {
       margin-right: 7em;
     }
 
diff --git a/app/views/posts/index.html.erb b/app/views/posts/index.html.erb
index 687a268bb..edf959bd7 100644
--- a/app/views/posts/index.html.erb
+++ b/app/views/posts/index.html.erb
@@ -17,7 +17,7 @@
       <%= render "posts/partials/index/related" %>
     </aside>
 
-    <section id="content">
+    <section id="content" class="<%= Danbooru.config.can_see_ads?(CurrentUser.user) ? "with-ads" : "without-ads" %>">
       <menu id="post-sections">
         <li class="active"><a href="#posts" id="show-posts-link">Posts</a></li>
 
diff --git a/app/views/posts/show.html.erb b/app/views/posts/show.html.erb
index ce84e3a7e..0c1518ba6 100644
--- a/app/views/posts/show.html.erb
+++ b/app/views/posts/show.html.erb
@@ -33,7 +33,7 @@
 
     </aside>
 
-    <section id="content">
+    <section id="content" class="<%= Danbooru.config.can_see_ads?(CurrentUser.user) ? "with-ads" : "without-ads" %>">
       <% if @post.presenter.has_nav_links?(self) %>
         <%= render "posts/partials/show/nav_links", :post => @post, :position => "top" %>
       <% end %>