diff --git a/index.html b/index.html
index ee0c216..11a419f 100644
--- a/index.html
+++ b/index.html
@@ -1,3 +1,6 @@
+<meta charset="utf-8"/>
+<meta name="viewport" content="width=device-width, initial-scale=1"/>
+<!---->
 <div id="app"></div>
 <script type="importmap-shim" src="./deno.map.json"></script>
 <script type="module-shim">import "app";</script>