diff --git a/files/assets/events/fistmas/css/frostbite.css b/files/assets/events/fistmas/css/frostbite.css
index f7e5e0f9f1..25c3e265de 100644
--- a/files/assets/events/fistmas/css/frostbite.css
+++ b/files/assets/events/fistmas/css/frostbite.css
@@ -3,7 +3,7 @@
 	top: 0;
 	left: 0;
 	width: 100%;
-	height: 100%;
+	height: 100vh;
 	box-shadow: 0 0 200px 10px rgba(255, 255, 255, 0.5) inset;
 	pointer-events: none;
 	z-index: 1050;