diff --git a/theme.json b/theme.json
index fd8c0df..c102614 100644
--- a/theme.json
+++ b/theme.json
@@ -3,7 +3,11 @@
   "settings": {
     "layout": {
       "contentSize": "960px",
-      "wideSize": "1280px"
+      "wideSize": "1280px",
+      "xWideSize": "1400px",
+      "custom": {
+        "xWideSize": "1400px"
+      }
     },
     "spacing": {
       "blockGap": true,
@@ -130,6 +134,17 @@
           "size": "1.875rem"
         }
       ]
+    },
+    "styles": {
+      "blocks": {
+        "core/columns": {
+          "layout": {
+            "contentSize": "960px",
+            "wideSize": "1280px",
+            "xWideSize": "1400px"
+          }
+        }
+      }
     }
   }
 }
\ No newline at end of file