Ticket #17415: 17415.patch

wp-content/themes/twentyeleven/style.css

@@ -124 +124 @@
 }
 
 /* Showcase */
-.page-template-showcase-php #primary {
+.page-template-showcase-php #primary,
+.sidebar-content.page-template-showcase-php #primary {
         margin: 0;
 }
-.page-template-showcase-php #content {
+.page-template-showcase-php #content,
+.sidebar-content.page-template-showcase-php #content {
         margin: 0 7.6%;
         width: auto;
 }