diff --git a/src/components/Header.astro b/src/components/Header.astro
index 30fb857..246048a 100644
--- a/src/components/Header.astro
+++ b/src/components/Header.astro
@@ -90,6 +90,7 @@ import Logo from './Logo.astro';
     order: 2;
     flex-grow: 0;
     flex-shrink: initial;
+    box-shadow: none;
   }
 
   .mobile-icon-button:focus,
@@ -130,7 +131,7 @@ import Logo from './Logo.astro';
     left: 0;
     width: 100vw;
     height: 100vh;
-    backdrop-filter: blur(10px);
+    backdrop-filter: blur(2px);
     z-index: 1;
     background: rgba(0, 0, 0, 0.2);
   }
diff --git a/src/components/HeaderLink.astro b/src/components/HeaderLink.astro
index ae67751..41e778d 100644
--- a/src/components/HeaderLink.astro
+++ b/src/components/HeaderLink.astro
@@ -18,8 +18,7 @@ const isActive = href === pathname || href === pathname.replace(/\/$/, '');
   li a {
     display: inline-block;
     text-decoration: none;
-    --color: var(--secondary-inverse);
-    color: var(--color);
+    color: var(--primary);
   }
 
   li a.active {
diff --git a/src/pages/404.astro b/src/pages/404.astro
deleted file mode 100644
index 9351056..0000000
--- a/src/pages/404.astro
+++ /dev/null
@@ -1,13 +0,0 @@
----
-import BaseLayout from '../layouts/BaseLayout.astro'
-import { SITE_TITLE, SITE_DESCRIPTION } from '../consts'
----
-
-<BaseLayout title={SITE_TITLE} description={SITE_DESCRIPTION}>
-  <h1>Not found!</h1>
-  <style>
-    h1 {
-      text-align: center;
-    }
-  </style>
-</BaseLayout>