diff --git a/css/styles.css b/css/styles.css
index 20b39ba..3218958 100644
--- a/css/styles.css
+++ b/css/styles.css
@@ -178,14 +178,8 @@ header {
     border-bottom: 1px solid var(--border);
     padding: 0;
     margin-bottom: 32px;
-    position: sticky;
-    top: 0;
-    z-index: 100;
-    backdrop-filter: blur(16px);
-    -webkit-backdrop-filter: blur(16px);
-    background: rgba(245, 244, 241, 0.85);
+    background: var(--bg);
     box-shadow: var(--shadow-sm);
-    animation: slideDown 0.5s var(--ease-out);
 }
 
 :root[data-theme="dark"] header {