diff --git a/src/features/authentication/components/AuthenticationCard.tsx b/src/features/authentication/components/AuthenticationCard.tsx
index b305352..3f9c883 100644
--- a/src/features/authentication/components/AuthenticationCard.tsx
+++ b/src/features/authentication/components/AuthenticationCard.tsx
@@ -20,8 +20,8 @@ export const AuthenticationCard = ({
         },
         mx: 2,
         boxSizing: 'border-box',
-        maxWidth: 636,
-
+        width: '100%',
+        maxWidth: 600,
         ...sx,
       }}
     >