feat(blog) fix style

app/blog/layout.tsx

@@ -6,7 +6,7 @@ function Layout({
     children: React.ReactNode;
 }) {
     return (
-        <div className={ 'flex items-stretch justify-center' }>
+        <div className={ 'flex flex-auto p-7 items-stretch justify-center' }>
             { children }
         </div>
     );