Ticket #23583: 23583.2.patch

wp-content/themes/twentythirteen/style.css

@@ -775 +775 @@
  */
 .site {
         background-color: #fff;
-        border-left: 1px solid #f2f2f2;
-        border-right: 1px solid #f2f2f2;
-        margin: 0 auto;
-        max-width: 1600px;
         width: 100%;
 }
 
@@ -2658 +2654 @@
         }
 }
 
-@media (max-width: 1599px) {
+@media (min-width: 1600px) {
         .site {
-                border: 0;
+                border-left: 1px solid #f2f2f2;
+                border-right: 1px solid #f2f2f2;
+                max-width: 1600px;
+                margin: 0 auto;
+                width: 99.8%;
         }
 }