diff --git a/adventskalender/shared/style.css b/adventskalender/shared/style.css
index cd1f456..4e259e5 100644
--- a/adventskalender/shared/style.css
+++ b/adventskalender/shared/style.css
@@ -49,15 +49,17 @@ html, body {
 }
 
 .kalenderbild {
-  max-width: 100%;
+  width: 100%;
   margin: 0 auto;
   overflow: hidden;
 }
 
 .kalenderbild img {
-  display: block;
   width: 100%;
   height: auto;
+  aspect-ratio: 16 / 9;
+  display: block;
   border: 4px solid var(--ci-gold);
   border-radius: 12px;
+  object-fit: contain;
 }
\ No newline at end of file