diff --git a/src/govuk/components/notification-banner/_index.scss b/src/govuk/components/notification-banner/_index.scss
new file mode 100644
index 0000000000..a2dc2b5af3
--- /dev/null
+++ b/src/govuk/components/notification-banner/_index.scss
@@ -0,0 +1,3 @@
+.govuk-notification-banner {
+  display: block;
+}
diff --git a/src/govuk/components/notification-banner/_notification-banner.scss b/src/govuk/components/notification-banner/_notification-banner.scss
new file mode 100644
index 0000000000..bfabb03440
--- /dev/null
+++ b/src/govuk/components/notification-banner/_notification-banner.scss
@@ -0,0 +1,2 @@
+@import "../../base";
+@import "./index";