diff --git a/app/about/page.tsx b/app/about/page.tsx
new file mode 100644
index 0000000..eb14ddc
--- /dev/null
+++ b/app/about/page.tsx
@@ -0,0 +1,3 @@
+export default function Page() {
+   return <></>
+}
diff --git a/app/globals.css b/app/globals.css
index 6a75725..1c09402 100644
--- a/app/globals.css
+++ b/app/globals.css
@@ -1,76 +1,79 @@
 @tailwind base;
 @tailwind components;
 @tailwind utilities;
- 
+
 @layer base {
-  :root {
-    --background: 0 0% 100%;
-    --foreground: 222.2 84% 4.9%;
+    :root {
+        --background: 0 0% 100%;
+        --foreground: 222.2 84% 4.9%;
 
-    --card: 0 0% 100%;
-    --card-foreground: 222.2 84% 4.9%;
- 
-    --popover: 0 0% 100%;
-    --popover-foreground: 222.2 84% 4.9%;
- 
-    --primary: 222.2 47.4% 11.2%;
-    --primary-foreground: 210 40% 98%;
- 
-    --secondary: 210 40% 96.1%;
-    --secondary-foreground: 222.2 47.4% 11.2%;
- 
-    --muted: 210 40% 96.1%;
-    --muted-foreground: 215.4 16.3% 46.9%;
- 
-    --accent: 210 40% 96.1%;
-    --accent-foreground: 222.2 47.4% 11.2%;
- 
-    --destructive: 0 84.2% 60.2%;
-    --destructive-foreground: 210 40% 98%;
+        --card: 0 0% 100%;
+        --card-foreground: 222.2 84% 4.9%;
 
-    --border: 214.3 31.8% 91.4%;
-    --input: 214.3 31.8% 91.4%;
-    --ring: 222.2 84% 4.9%;
- 
-    --radius: 0.5rem;
-  }
- 
-  .dark {
-    --background: 222.2 84% 4.9%;
-    --foreground: 210 40% 98%;
- 
-    --card: 222.2 84% 4.9%;
-    --card-foreground: 210 40% 98%;
- 
-    --popover: 222.2 84% 4.9%;
-    --popover-foreground: 210 40% 98%;
- 
-    --primary: 210 40% 98%;
-    --primary-foreground: 222.2 47.4% 11.2%;
- 
-    --secondary: 217.2 32.6% 17.5%;
-    --secondary-foreground: 210 40% 98%;
- 
-    --muted: 217.2 32.6% 17.5%;
-    --muted-foreground: 215 20.2% 65.1%;
- 
-    --accent: 217.2 32.6% 17.5%;
-    --accent-foreground: 210 40% 98%;
- 
-    --destructive: 0 62.8% 30.6%;
-    --destructive-foreground: 210 40% 98%;
- 
-    --border: 217.2 32.6% 17.5%;
-    --input: 217.2 32.6% 17.5%;
-    --ring: 212.7 26.8% 83.9%;
-  }
+        --popover: 0 0% 100%;
+        --popover-foreground: 222.2 84% 4.9%;
+
+        --primary: 222.2 47.4% 11.2%;
+        --primary-foreground: 210 40% 98%;
+
+        --secondary: 210 40% 96.1%;
+        --secondary-foreground: 222.2 47.4% 11.2%;
+
+        --muted: 210 40% 96.1%;
+        --muted-foreground: 215.4 16.3% 46.9%;
+
+        --accent: 210 40% 96.1%;
+        --accent-foreground: 222.2 47.4% 11.2%;
+
+        --destructive: 0 84.2% 60.2%;
+        --destructive-foreground: 210 40% 98%;
+
+        --border: 214.3 31.8% 91.4%;
+        --input: 214.3 31.8% 91.4%;
+        --ring: 222.2 84% 4.9%;
+
+        --radius: 0.5rem;
+    }
+
+    .dark {
+        --background: radial-gradient(circle at center bottom, rgb(2, 35, 96) 0%, rgb(14, 26, 91) 25%, rgba(2, 0, 36, 1) 61%);
+        background: var(--background);
+
+        --foreground: 210 40% 98%;
+
+        --card: 222.2 84% 4.9%;
+        --card-foreground: 210 40% 98%;
+
+        --popover: 222.2 84% 4.9%;
+        --popover-foreground: 210 40% 98%;
+
+        --primary: 210 40% 98%;
+        --primary-foreground: 222.2 47.4% 11.2%;
+
+        --secondary: 217.2 32.6% 17.5%;
+        --secondary-foreground: 210 40% 98%;
+
+        --muted: 217.2 32.6% 17.5%;
+        --muted-foreground: 215 20.2% 65.1%;
+
+        --accent: 217.2 32.6% 17.5%;
+        --accent-foreground: 210 40% 98%;
+
+        --destructive: 0 62.8% 30.6%;
+        --destructive-foreground: 210 40% 98%;
+
+        --border: 217.2 32.6% 17.5%;
+        --input: 217.2 32.6% 17.5%;
+        --ring: 212.7 26.8% 83.9%;
+    }
 }
- 
+
 @layer base {
-  * {
-    @apply border-border;
-  }
-  body {
-    @apply bg-background text-foreground;
-  }
-}
\ No newline at end of file
+    * {
+        @apply border-border;
+    }
+
+    body {
+        @apply bg-background text-foreground;
+    }
+}
diff --git a/app/header.tsx b/app/header.tsx
deleted file mode 100644
index f8ec987..0000000
--- a/app/header.tsx
+++ /dev/null
@@ -1,32 +0,0 @@
-'use client';
-
-import { useEffect, useState } from 'react';
-import { Avatar, AvatarFallback, AvatarImage } from '@/components/ui/avatar';
-
-export default function Header() {
-    const [ scrolled, setScrolled ] = useState(false);
-
-    useEffect(() => {
-        const handleScroll = () => {
-            const isScrolled = window.scrollY > 0;
-            setScrolled(isScrolled);
-        };
-
-        window.addEventListener('scroll', handleScroll);
-
-        return () => {
-            window.removeEventListener('scroll', handleScroll);
-        };
-    }, []);
-
-    return <>
-        <div className={ `flex flex-row fixed w-full top-0 z-10 transition-all duration-300 ${ scrolled ? 'rounded-b-lg backdrop-blur' : 'bg-opacity-0' }` }>
-            <Avatar>
-                <AvatarImage src={ 'https://avatars.githubusercontent.com/u/46409277' } />
-                <AvatarFallback>Tao</AvatarFallback>
-            </Avatar>
-            <p className={`text-xl align-middle`}>{ 'Lumither\'s Blog' }</p>
-
-        </div>
-    </>;
-}
diff --git a/app/layout.tsx b/app/layout.tsx
index 787a2f2..7a4ece1 100644
--- a/app/layout.tsx
+++ b/app/layout.tsx
@@ -5,7 +5,7 @@ import { Inter as FontSans } from 'next/font/google';
 import { cn } from '@/lib/utils';
 import React from 'react';
 import { ThemeProvider } from '@/components/theme-provider';
-import Header from '@/app/header';
+import Navbar from '@/app/navbar';
 
 
 const fontSans = FontSans({
@@ -30,11 +30,11 @@ export default function RootLayout({
         ) }>
         <ThemeProvider
             attribute="class"
-            defaultTheme="system"
+            defaultTheme="dark"
             enableSystem
             disableTransitionOnChange
         >
-            <Header />
+            <Navbar />
             { children }
         </ThemeProvider>
         </body>
diff --git a/app/navbar.tsx b/app/navbar.tsx
new file mode 100644
index 0000000..139cf24
--- /dev/null
+++ b/app/navbar.tsx
@@ -0,0 +1,56 @@
+'use client';
+
+import { useEffect, useState } from 'react';
+import { Avatar, AvatarFallback, AvatarImage } from '@/components/ui/avatar';
+import { NavigationMenu, NavigationMenuItem, NavigationMenuList } from '@/components/ui/navigation-menu';
+
+const components: { title: string; href: string; description: string }[] = [
+    {
+        title: 'title of subpage',
+        href: 'url',
+        description:
+            'a description'
+    }
+];
+export default function Navbar() {
+    const [ scrolled, setScrolled ] = useState(false);
+
+    useEffect(() => {
+        const handleScroll = () => {
+            const isScrolled = window.scrollY > 0;
+            setScrolled(isScrolled);
+        };
+
+        window.addEventListener('scroll', handleScroll);
+
+        return () => {
+            window.removeEventListener('scroll', handleScroll);
+        };
+    }, []);
+
+    return <>
+        <div
+            className={ `flex flex-row fixed top-0 z-10 transition-all duration-300 backdrop-blur 
+            ${ scrolled ? 'rounded-3xl w-[95%] ml-[2.5%] mr-[2.5%] mt-[1%] border-resolution-blue-200 border'
+                : 'w-full border-slate-200/15 border-b shadow h-' }` }>
+            <div className={ `transition-all duration-300 ${ scrolled ? 'w-0' : 'w-[5%]' }` }></div>
+            <NavigationMenu>
+                <NavigationMenuList>
+                    <NavigationMenuItem>
+                        <Avatar>
+                            <AvatarImage src={ 'https://avatars.githubusercontent.com/u/46409277' } />
+                            <AvatarFallback>Tao</AvatarFallback>
+                        </Avatar>
+
+                    </NavigationMenuItem>
+
+                    <NavigationMenuItem>
+                        <p className={ 'text-xl' }>{"Lumither\'s Blog"}</p>
+                    </NavigationMenuItem>
+
+                </NavigationMenuList>
+            </NavigationMenu>
+
+        </div>
+    </>;
+}
diff --git a/app/page.tsx b/app/page.tsx
index 10889a6..636387b 100644
--- a/app/page.tsx
+++ b/app/page.tsx
@@ -2,11 +2,15 @@ export default function Home() {
     let info = new Array(200).fill(<p> test </p>);
     return (
         <main>
-            <ul>
-                { info.map((item, id) => (
-                    <li key={ id }> { item } </li>
-                )) }
-            </ul>
+            <div className={ 'h-screen' }>
+                <div className={ ' overflow-scroll' }>
+                    <ul>
+                        { info.map((item, id) => (
+                            <li key={ id }> { item } </li>
+                        )) }
+                    </ul>
+                </div>
+            </div>
         </main>
     );
 }
diff --git a/tailwind.config.ts b/tailwind.config.ts
index 593f812..5ddd683 100644
--- a/tailwind.config.ts
+++ b/tailwind.config.ts
@@ -1,84 +1,97 @@
-import type { Config } from "tailwindcss"
+import type { Config } from 'tailwindcss';
 import { fontFamily } from 'tailwindcss/defaultTheme';
 
 const config = {
-  darkMode: ["class"],
-  content: [
-    './pages/**/*.{ts,tsx}',
-    './components/**/*.{ts,tsx}',
-    './app/**/*.{ts,tsx}',
-    './src/**/*.{ts,tsx}',
-	],
-  prefix: "",
-  theme: {
-    fontFamily: {
-      sans: ["var(--font-sans)", ...fontFamily.sans],
+    darkMode: [ 'class' ],
+    content: [
+        './pages/**/*.{ts,tsx}',
+        './components/**/*.{ts,tsx}',
+        './app/**/*.{ts,tsx}',
+        './src/**/*.{ts,tsx}'
+    ],
+    prefix: '',
+    theme: {
+        fontFamily: {
+            sans: [ 'var(--font-sans)', ...fontFamily.sans ]
+        },
+        container: {
+            center: true,
+            padding: '2rem',
+            screens: {
+                '2xl': '1400px'
+            }
+        },
+        extend: {
+            colors: {
+                'resolution-blue': {
+                    '50': '#e5f4ff',
+                    '100': '#d0ebff',
+                    '200': '#abd8ff',
+                    '300': '#79bcff',
+                    '400': '#458fff',
+                    '500': '#1c61ff',
+                    '600': '#003fff',
+                    '700': '#0042ff',
+                    '800': '#0039dd',
+                    '900': '#042cab',
+                    '950': '#042086'
+                },
+                border: 'hsl(var(--border))',
+                input: 'hsl(var(--input))',
+                ring: 'hsl(var(--ring))',
+                background: 'hsl(var(--background))',
+                foreground: 'hsl(var(--foreground))',
+                primary: {
+                    DEFAULT: 'hsl(var(--primary))',
+                    foreground: 'hsl(var(--primary-foreground))'
+                },
+                secondary: {
+                    DEFAULT: 'hsl(var(--secondary))',
+                    foreground: 'hsl(var(--secondary-foreground))'
+                },
+                destructive: {
+                    DEFAULT: 'hsl(var(--destructive))',
+                    foreground: 'hsl(var(--destructive-foreground))'
+                },
+                muted: {
+                    DEFAULT: 'hsl(var(--muted))',
+                    foreground: 'hsl(var(--muted-foreground))'
+                },
+                accent: {
+                    DEFAULT: 'hsl(var(--accent))',
+                    foreground: 'hsl(var(--accent-foreground))'
+                },
+                popover: {
+                    DEFAULT: 'hsl(var(--popover))',
+                    foreground: 'hsl(var(--popover-foreground))'
+                },
+                card: {
+                    DEFAULT: 'hsl(var(--card))',
+                    foreground: 'hsl(var(--card-foreground))'
+                }
+            },
+            borderRadius: {
+                lg: 'var(--radius)',
+                md: 'calc(var(--radius) - 2px)',
+                sm: 'calc(var(--radius) - 4px)'
+            },
+            keyframes: {
+                'accordion-down': {
+                    from: { height: '0' },
+                    to: { height: 'var(--radix-accordion-content-height)' }
+                },
+                'accordion-up': {
+                    from: { height: 'var(--radix-accordion-content-height)' },
+                    to: { height: '0' }
+                }
+            },
+            animation: {
+                'accordion-down': 'accordion-down 0.2s ease-out',
+                'accordion-up': 'accordion-up 0.2s ease-out'
+            }
+        }
     },
-    container: {
-      center: true,
-      padding: "2rem",
-      screens: {
-        "2xl": "1400px",
-      },
-    },
-    extend: {
-      colors: {
-        border: "hsl(var(--border))",
-        input: "hsl(var(--input))",
-        ring: "hsl(var(--ring))",
-        background: "hsl(var(--background))",
-        foreground: "hsl(var(--foreground))",
-        primary: {
-          DEFAULT: "hsl(var(--primary))",
-          foreground: "hsl(var(--primary-foreground))",
-        },
-        secondary: {
-          DEFAULT: "hsl(var(--secondary))",
-          foreground: "hsl(var(--secondary-foreground))",
-        },
-        destructive: {
-          DEFAULT: "hsl(var(--destructive))",
-          foreground: "hsl(var(--destructive-foreground))",
-        },
-        muted: {
-          DEFAULT: "hsl(var(--muted))",
-          foreground: "hsl(var(--muted-foreground))",
-        },
-        accent: {
-          DEFAULT: "hsl(var(--accent))",
-          foreground: "hsl(var(--accent-foreground))",
-        },
-        popover: {
-          DEFAULT: "hsl(var(--popover))",
-          foreground: "hsl(var(--popover-foreground))",
-        },
-        card: {
-          DEFAULT: "hsl(var(--card))",
-          foreground: "hsl(var(--card-foreground))",
-        },
-      },
-      borderRadius: {
-        lg: "var(--radius)",
-        md: "calc(var(--radius) - 2px)",
-        sm: "calc(var(--radius) - 4px)",
-      },
-      keyframes: {
-        "accordion-down": {
-          from: { height: "0" },
-          to: { height: "var(--radix-accordion-content-height)" },
-        },
-        "accordion-up": {
-          from: { height: "var(--radix-accordion-content-height)" },
-          to: { height: "0" },
-        },
-      },
-      animation: {
-        "accordion-down": "accordion-down 0.2s ease-out",
-        "accordion-up": "accordion-up 0.2s ease-out",
-      },
-    },
-  },
-  plugins: [require("tailwindcss-animate")],
-} satisfies Config
+    plugins: [ require('tailwindcss-animate') ]
+} satisfies Config;
 
-export default config
+export default config;