diff --git a/client/src/components/adsense.tsx b/client/src/components/adsense.tsx
index 9ad0cf4..85dd64e 100644
--- a/client/src/components/adsense.tsx
+++ b/client/src/components/adsense.tsx
@@ -96,12 +96,13 @@ export function ArticleCardAd() {
 
 export function TopBannerAd() {
   return (
-    <div className="rounded-md overflow-hidden bg-card border border-card-border mb-4" data-testid="ad-top-banner">
-      <div className="text-[9px] text-muted-foreground/40 text-center pt-1 uppercase tracking-widest">Anzeige</div>
+    <div className="rounded-md overflow-hidden bg-card border border-card-border mb-4 flex flex-col items-center" data-testid="ad-top-banner">
+      <div className="text-[9px] text-muted-foreground/40 text-center pt-1 uppercase tracking-widest w-full">Anzeige</div>
       <AdSense
         slot="4154017639"
         format="horizontal"
-        style={{ display: "block", width: "100%", height: "90px" }}
+        className="w-full"
+        style={{ display: "block", width: "100%", height: "90px", textAlign: "center", margin: "0 auto" }}
         responsive={false}
       />
     </div>