diff --git a/assets/base.css b/assets/base.css
index 8d9da40..ce0559c 100644
--- a/assets/base.css
+++ b/assets/base.css
@@ -71,7 +71,7 @@ li {
 }
 
 .credit {
-    top: calc(100vh - 1.5em);
+    top: calc(var(--vh) * 100 - 1.5em);
     right: 64px;
     color: var(--c-fg)
 }