diff --git a/adventskalender/2025/css/main.css b/adventskalender/2025/css/main.css
index a547c05..35ad458 100644
--- a/adventskalender/2025/css/main.css
+++ b/adventskalender/2025/css/main.css
@@ -22,13 +22,13 @@
 /* Türchen-Design */
 .grid-overlay .day {
   position: absolute;
+  background-color: rgba(247, 243, 232, 0.3); /* neu! */
   border: 2px solid var(--ci-gold);
   border-radius: 0.5rem;
   display: flex;
   align-items: center;
   justify-content: center;
   pointer-events: auto;
-  background: transparent;
   transition: box-shadow 0.3s ease;
 }