diff --git a/packages/ra-core/src/CoreAdminRouter.tsx b/packages/ra-core/src/CoreAdminRouter.tsx
index cc87d2712a7..579cbaed29d 100644
--- a/packages/ra-core/src/CoreAdminRouter.tsx
+++ b/packages/ra-core/src/CoreAdminRouter.tsx
@@ -26,7 +26,7 @@ import {
 
 const welcomeStyles: CSSProperties = {
     width: '50%',
-    margin: '40vh',
+    margin: '40vh 25vw',
     textAlign: 'center',
 };