diff --git a/Tesses.YouTubeDownloader.Server/res/theme.css b/Tesses.YouTubeDownloader.Server/res/theme.css
index fb6bdff..cc31281 100644
--- a/Tesses.YouTubeDownloader.Server/res/theme.css
+++ b/Tesses.YouTubeDownloader.Server/res/theme.css
@@ -80,7 +80,7 @@ body.dark {
 .loading-indicator
 {
     position: absolute;
-    top: 50%;
-    left: 50%;
+    top: 50vh;
+    left: 50vw;
     transform: translate(-50%, -50%);
 }
\ No newline at end of file