improve some texts + styles

packages/ui/src/makerkit/page.tsx

@@ -106,7 +106,7 @@ export function PageBody(
   }>,
 ) {
   const className = cn(
-    'flex w-full flex-1 flex-col space-y-6 lg:px-4',
+    'flex w-full flex-1 flex-col space-y-6',
     props.className,
   );
 
@@ -158,7 +158,7 @@ export function PageHeader({
   return (
     <div
       className={cn(
-        'flex items-center justify-between py-5 lg:px-4',
+        'flex items-center justify-between py-5',
         className,
       )}
     >