diff --git a/index.html b/index.html
index 8454188..fb27fcc 100644
--- a/index.html
+++ b/index.html
@@ -1,8 +1,10 @@
 <!DOCTYPE html>
 <html lang="en-us">
   <head>
-    <meta charset="utf-8">
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+    <meta http-equiv="Content-Security-Policy" content="default-src 'self';">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
+	<meta name="color-scheme" content="light dark" type="text/css">
     <title>Ella</title>
     <link rel="stylesheet" href="style.css">
   </head>
