diff --git a/core/profiles/demo_umami/themes/umami/components/branding/branding.css b/core/profiles/demo_umami/themes/umami/components/branding/branding.css
index e5ea8eaf102fe6cc69dace435dc0198859fdc1b9..1cda3953070509da6c183cd08b0f3c9d9bbc3fff 100644
--- a/core/profiles/demo_umami/themes/umami/components/branding/branding.css
+++ b/core/profiles/demo_umami/themes/umami/components/branding/branding.css
@@ -3,14 +3,8 @@
  * This file is used to style the branding block.
  */
 
-.branding {
-  flex: 0 1 40%;
-}
-
 @media screen and (min-width: 48em) {
   .branding {
-    flex: 0 1 220px;
-    margin: 2.5rem 0;
     text-align: left;
   }
 }
diff --git a/core/profiles/demo_umami/themes/umami/css/components/regions/header/header.css b/core/profiles/demo_umami/themes/umami/css/components/regions/header/header.css
index f9b13115473c75abd434f785b86e7a429fed76ac..1a8e756e0808946d67e39b5d37cde91aecd1b95b 100644
--- a/core/profiles/demo_umami/themes/umami/css/components/regions/header/header.css
+++ b/core/profiles/demo_umami/themes/umami/css/components/regions/header/header.css
@@ -36,3 +36,14 @@
     padding: 0;
   }
 }
+
+.region-header .block-system-branding-block {
+  flex: 0 1 40%;
+}
+
+@media screen and (min-width: 48em) {
+  .region-header .block-system-branding-block {
+    flex: 0 1 220px;
+    margin: 2.5rem 0;
+  }
+}