diff --git a/src/app.css b/src/app.css
index 5f327d9e..86122bcc 100644
--- a/src/app.css
+++ b/src/app.css
@@ -1453,7 +1453,7 @@ a[href^='http'][rel*='nofollow']:visited:not(:has(div)) {
   max-width: 100%;
   height: auto;
   max-height: 100vh;
-  max-height: 100dvh;
+  max-height: 100svh;
   vertical-align: middle;
 }
 .carousel .carousel-item video {