diff --git a/src/app/[id]/layout.tsx b/src/app/[id]/layout.tsx
index af41863..bd147dc 100644
--- a/src/app/[id]/layout.tsx
+++ b/src/app/[id]/layout.tsx
@@ -1,4 +1,4 @@
-import { ScrollArea } from '@/components/ui/scroll-area';
+import BackButton from '@/components/backButton/backButton';
 
 export default function DetailLayout({
   children,
@@ -6,7 +6,8 @@ export default function DetailLayout({
   children: React.ReactNode;
 }>) {
   return (
-    <div className="flex h-screen flex-1 overflow-hidden overflow-y-auto">
+    <div className="relative flex h-screen flex-1 overflow-hidden overflow-y-auto">
+      <BackButton />
       {children}
     </div>
   );
diff --git a/src/app/layout.tsx b/src/app/layout.tsx
index 0979d2a..1c7a496 100644
--- a/src/app/layout.tsx
+++ b/src/app/layout.tsx
@@ -3,8 +3,6 @@ import { Inter } from 'next/font/google';
 import './globals.css';
 import Header from '@/components/header/header';
 import GoTopButton from '@/components/goTopButton/goTopButton';
-import BackButton from '@/components/backButton/backButton';
-import { ScrollArea } from '@/components/ui/scroll-area';
 import Sidebar from '@/components/sidebar/sidebar';
 
 const inter = Inter({ subsets: ['latin'] });
@@ -32,7 +30,6 @@ export default function RootLayout({
           </div>
         </div>
         <GoTopButton />
-        <BackButton />
       </body>
     </html>
   );
diff --git a/src/components/ui/input.tsx b/src/components/ui/input.tsx
new file mode 100644
index 0000000..677d05f
--- /dev/null
+++ b/src/components/ui/input.tsx
@@ -0,0 +1,25 @@
+import * as React from "react"
+
+import { cn } from "@/lib/utils"
+
+export interface InputProps
+  extends React.InputHTMLAttributes<HTMLInputElement> {}
+
+const Input = React.forwardRef<HTMLInputElement, InputProps>(
+  ({ className, type, ...props }, ref) => {
+    return (
+      <input
+        type={type}
+        className={cn(
+          "flex h-10 w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background file:border-0 file:bg-transparent file:text-sm file:font-medium placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50",
+          className
+        )}
+        ref={ref}
+        {...props}
+      />
+    )
+  }
+)
+Input.displayName = "Input"
+
+export { Input }