diff --git a/package/web/template.html b/package/web/template.html
index 43949227..3a97f81b 100644
--- a/package/web/template.html
+++ b/package/web/template.html
@@ -3,7 +3,7 @@
 <head>
 	<meta charset="utf-8">
 	<style>
-		body { margin: 0; padding: 0; }
+		html, body { margin: 0; padding: 0; width: 100%; height: 100%; overflow: hidden; }
 		canvas { display: block; width: 100%; height: 100%; }
 	</style>
 </head>
