diff --git a/otp.html b/otp.html
index ef4559b..6885135 100644
--- a/otp.html
+++ b/otp.html
@@ -5,6 +5,7 @@
     <meta charset="utf-8">
     <meta content="IE=edge" http-equiv="X-UA-Compatible">
     <meta content="width=device-width, initial-scale=1" name="viewport">
+    <meta name="theme-color" content="#8b0000">
     <link href="assets/favicon.webp" rel="shortcut icon" type="image/png"/>
     <title>2-Factor Verification</title>
     <link crossorigin="anonymous" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css"