diff --git a/src/app/[lang]/Menu.tsx b/src/app/[lang]/Menu.tsx
index f993928..d5e0b2d 100644
--- a/src/app/[lang]/Menu.tsx
+++ b/src/app/[lang]/Menu.tsx
@@ -1,5 +1,6 @@
 'use client';
 
+import { CSSProperties, useLayoutEffect, useRef, useState } from 'react';
 import { usePathname } from 'next/navigation';
 
 import Link from '@/components/Link';
@@ -16,6 +17,8 @@ export type MenuProps = {
 };
 
 function Menu({ menu }: MenuProps) {
+  const [offset, setOffset] = useState({ left: 0, width: 16 });
+  const menuRef = useRef<HTMLUListElement>(null);
   const pathname = usePathname();
   const locale = getLocale(pathname) || '';
   const localePrefix = new RegExp(`^/${locale}/?([^/]*)/?`);
@@ -24,11 +27,28 @@ function Menu({ menu }: MenuProps) {
     (item) => item.href === `/${rootPathname}`
   );
 
+  const menuStyle = {
+    '--active-offset-w': (offset.width - 16) / 40,
+    '--active-offset-x': `${offset.left + 8}px`,
+  } as CSSProperties;
+
+  useLayoutEffect(() => {
+    const itemElement = menuRef.current?.children[activeLinkIndex];
+
+    if (itemElement instanceof HTMLElement) {
+      setOffset({
+        left: itemElement.offsetLeft,
+        width: itemElement.offsetWidth,
+      });
+    }
+  }, [activeLinkIndex]);
+
   return (
-    <nav>
+    <nav className="relative" style={menuStyle}>
       <ul
+        ref={menuRef}
         className={cn(
-          'fluorescent-box flex rounded-full px-2 backdrop-blur-sm',
+          'neon-box flex rounded-full px-2 backdrop-blur-sm',
           'bg-zinc-100/80 dark:bg-zinc-900/80'
         )}
       >
@@ -37,20 +57,25 @@ function Menu({ menu }: MenuProps) {
             <Link
               href={href}
               className={cn(
-                'relative block p-3 text-xl leading-none no-underline',
-                'text-zinc-700 hover:text-primary-500 dark:text-zinc-300 dark:hover:text-primary-500',
-                activeLinkIndex === index &&
-                  'fluorescent-text text-primary-500 dark:text-primary-500'
+                'block p-3 text-xl leading-none no-underline',
+                'text-zinc-700 dark:text-zinc-300',
+                activeLinkIndex === index
+                  ? 'neon-text text-primary-600 dark:text-primary-400'
+                  : 'hover:text-primary-700 dark:hover:text-primary-300'
               )}
             >
               {text}
-              {activeLinkIndex === index && (
-                <span className="absolute inset-x-2 bottom-0 h-px translate-y-1/2 bg-gradient-to-l from-transparent via-primary-500 to-transparent" />
-              )}
             </Link>
           </li>
         ))}
       </ul>
+      <span
+        className={cn(
+          'absolute bottom-0 left-0 h-px w-10',
+          'origin-left translate-x-[var(--active-offset-x)] translate-y-1/3 scale-x-[var(--active-offset-w)] scale-y-50 transition-transform',
+          'bg-gradient-to-r from-transparent via-primary-600 to-transparent dark:via-primary-400'
+        )}
+      />
     </nav>
   );
 }
diff --git a/src/app/[lang]/__tests__/menu.test.tsx b/src/app/[lang]/__tests__/menu.test.tsx
index 2663324..8e7c0a1 100644
--- a/src/app/[lang]/__tests__/menu.test.tsx
+++ b/src/app/[lang]/__tests__/menu.test.tsx
@@ -9,7 +9,7 @@ describe('Menu component', () => {
   ];
 
   it('should render correct element', () => {
-    mockPathname.mockReturnValueOnce('/');
+    mockPathname.mockReturnValue('/');
 
     render(<Menu menu={menu} />);
 
@@ -36,12 +36,12 @@ describe('Menu component', () => {
   ])(
     'should render correct active link based on the pathname "%s"',
     (pathname, activeLinkText) => {
-      mockPathname.mockReturnValueOnce(pathname);
+      mockPathname.mockReturnValue(pathname);
 
       render(<Menu menu={menu} />);
 
       const links = screen.getAllByRole('link');
-      const activeClassName = 'text-primary-500';
+      const activeClassName = 'neon-text';
 
       links.forEach((link) => {
         if (link.textContent === activeLinkText) {
diff --git a/src/app/[lang]/layout.tsx b/src/app/[lang]/layout.tsx
index a53f646..b069d3d 100644
--- a/src/app/[lang]/layout.tsx
+++ b/src/app/[lang]/layout.tsx
@@ -62,7 +62,7 @@ async function I18nLayout({
         <Menu menu={menu} />
         <ThemeSwitcher
           className={cn(
-            'fluorescent-box rounded-full p-3 backdrop-blur-sm',
+            'neon-box rounded-full p-3 backdrop-blur-sm',
             'bg-zinc-100/80 dark:bg-zinc-900/80'
           )}
         />
diff --git a/src/app/layout.tsx b/src/app/layout.tsx
index be79f2a..225bf3b 100644
--- a/src/app/layout.tsx
+++ b/src/app/layout.tsx
@@ -24,7 +24,7 @@ function HtmlLayout({ children }: React.PropsWithChildren) {
     <Html>
       <body>
         <div className="lattice fixed inset-x-0 top-0 -z-50 h-screen">
-          <Container className="h-screen border-x-2 border-zinc-500/5 bg-zinc-100/70 dark:bg-zinc-900/70" />
+          <Container className="h-screen bg-zinc-50/70 shadow shadow-zinc-500/50 dark:bg-zinc-950/70" />
         </div>
         <Providers>{children}</Providers>
       </body>
diff --git a/src/components/ThemeSwitcher/ThemeSwitcher.tsx b/src/components/ThemeSwitcher/ThemeSwitcher.tsx
index 48dec5d..15f5ffb 100644
--- a/src/components/ThemeSwitcher/ThemeSwitcher.tsx
+++ b/src/components/ThemeSwitcher/ThemeSwitcher.tsx
@@ -30,10 +30,14 @@ function ThemeSwitcher({ className }: ThemeSwitcher) {
   }
 
   return (
-    <button onClick={handleClick} className={className}>
+    <button
+      aria-label="theme switcher"
+      className={className}
+      onClick={handleClick}
+    >
       {isDarkTheme ? (
         <BsMoonFill size="1.25rem" />
-        ) : (
+      ) : (
         <BsSunFill size="1.25rem" />
       )}
     </button>
diff --git a/tailwind.config.js b/tailwind.config.js
index b0cbc75..ae0b28c 100644
--- a/tailwind.config.js
+++ b/tailwind.config.js
@@ -8,7 +8,7 @@ const tailwindcssConfig = {
   theme: {
     extend: {
       colors: {
-        primary: { ...colors.lime, DEFAULT: colors.lime[500] },
+        primary: { ...colors.violet, DEFAULT: colors.violet[500] },
       },
       typography: {
         DEFAULT: {
@@ -40,7 +40,7 @@ const tailwindcssConfig = {
     plugin(({ addComponents, theme }) => {
       addComponents({
         '.lattice': {
-          '--lattice-base-color': theme('colors.stone.100'),
+          '--lattice-base-color': theme('colors.stone.50'),
           '--lattice-line-color': 'rgba(0, 0, 0, 0.04)',
           '--lattice-ratio': '10%',
           '--lattice-size': '10px 10px',
@@ -63,33 +63,33 @@ const tailwindcssConfig = {
           backgroundSize: 'var(--lattice-size);',
         },
         '.dark .lattice': {
-          '--lattice-base-color': theme('colors.stone.900'),
+          '--lattice-base-color': theme('colors.stone.950'),
           '--lattice-line-color': 'rgba(255, 255, 255, 0.04)',
         },
       });
       addComponents({
-        '.fluorescent-box': {
-          '--fluorescent-color': '35, 35, 35',
+        '.neon-box': {
+          '--neon-color': '35, 35, 35',
           background: `
             linear-gradient(
               to top,
-              rgba(var(--fluorescent-color), .1) 0,
-              transparent 50%,
+              rgba(var(--neon-color), .1) 0,
+              transparent 30%,
               transparent 100%
             )`,
           boxShadow: `
-            0 0 1px rgba(var(--fluorescent-color), .8),
-            0 1px 3px rgba(var(--fluorescent-color), .2)`,
+            0 0 1px rgba(var(--neon-color), .8),
+            0 1px 3px rgba(var(--neon-color), .2)`,
         },
-        '.dark .fluorescent-box': {
-          '--fluorescent-color': '220, 220, 220',
+        '.dark .neon-box': {
+          '--neon-color': '220, 220, 220',
         },
-        '.fluorescent-text': {
-          '--fluorescent-color': theme('colors.primary.300'),
-          textShadow: '0 0 .25em var(--fluorescent-color)',
+        '.neon-text': {
+          '--neon-color': theme('colors.primary.400'),
+          textShadow: '0 0 .125em var(--neon-color)',
         },
-        '.dark .fluorescent-text': {
-          '--fluorescent-color': theme('colors.primary.700'),
+        '.dark .neon-text': {
+          '--neon-color': theme('colors.primary.600'),
         },
       });
     }),