diff --git a/lib/index.scss b/lib/index.scss
index 615a7dc..0740794 100644
--- a/lib/index.scss
+++ b/lib/index.scss
@@ -6,7 +6,8 @@
   $fa-font-path: "/design-system/static/assets/fonts"
 );
 @use "@nationalarchives/frontend/nationalarchives/variables/grid" with (
-  $largest-container-width: 90rem
+  $largest-container-width: 90rem,
+  $gutter-width-mobile: 1rem
 );
 @use "@nationalarchives/frontend/nationalarchives/all";