diff --git a/core/themes/claro/css/components/page-title.pcss.css b/core/themes/claro/css/components/page-title.pcss.css
index d5728d5c88..a7ce8da868 100644
--- a/core/themes/claro/css/components/page-title.pcss.css
+++ b/core/themes/claro/css/components/page-title.pcss.css
@@ -5,10 +5,10 @@
 
 .block-page-title-block {
   margin-bottom: var(--space-s);
-}
 
-.block-page-title-block:last-child {
-  margin-bottom: var(--space-l);
+  &:last-child {
+    margin-bottom: var(--space-l);
+  }
 }
 
 /**
@@ -16,9 +16,11 @@
  *
  * @see Drupal\system\Controller\BatchController::batchPage()
  */
-.region-header > .page-title {
-  margin-top: var(--breadcrumb-height);
-  margin-bottom: var(--space-l);
+.region-header {
+  & > .page-title {
+    margin-top: var(--breadcrumb-height);
+    margin-bottom: var(--space-l);
+  }
 }
 
 .page-title {