diff --git a/public/style.css b/public/style.css
index 3b125f6ee..74e59076b 100644
--- a/public/style.css
+++ b/public/style.css
@@ -86,7 +86,7 @@ body {
     /*fallback for JS load*/
     height: 100svh;
     /*defaults as 100%, then reassigned via JS as pixels, will work on PC and Android*/
-    height: var(--doc-height);
+    height: calc(var(--doc-height) - 1px);
     background-color: var(--greyCAIbg);
     background-repeat: no-repeat;
     background-attachment: fixed;