diff --git a/public/loader.css b/public/loader.css
index c6272ee7..09017216 100644
--- a/public/loader.css
+++ b/public/loader.css
@@ -3,6 +3,8 @@ body {
 }
 
 html {
+  background: var(--initial-loader-bg, #fff);
+  min-block-size: calc(100% + env(safe-area-inset-top));
   overflow-x: hidden;
   overflow-y: scroll;
 }