Remove header and footer separator borders

components/site-footer.tsx

@@ -57,7 +57,7 @@ export function SiteFooter() {
   }[];
 
   return (
-    <footer className="border-t py-4 text-center text-sm text-gray-500 dark:text-slate-400">
+    <footer className="py-4 text-center text-sm text-gray-500 dark:text-slate-400">
       <div>
         © {new Date().getFullYear()} {siteConfig.author}
       </div>

components/site-header.tsx

@@ -4,7 +4,7 @@ import { siteConfig } from '@/lib/config';
 
 export function SiteHeader() {
   return (
-    <header className="border-b bg-white/80 backdrop-blur dark:bg-gray-950/80">
+    <header className="bg-white/80 backdrop-blur dark:bg-gray-950/80">
       <div className="container mx-auto flex items-center justify-between px-4 py-3 text-slate-900 dark:text-slate-100">
         <Link href="/" className="font-semibold">
           {siteConfig.title}