Ticket #25506: 25506.2.diff

wp-content/themes/twentythirteen/style.css

@@ -1739 +1739 @@
 }
 
 .attachment footer.entry-meta,
-.single-attachment .site-main .sidebar-container {
+.attachment .site-main .sidebar-container {
         display: none;
 }
 

wp-content/themes/twentytwelve/css/ie.css

@@ -53 +53 @@
         width: 65.104166667%;
 }
 body.template-front-page .site-content,
-body.single-attachment .site-content,
+body.attachment .site-content,
 body.full-width .site-content {
         width: 100%;
 }