diff --git a/favicon.ico b/favicon.ico
new file mode 100644
index 0000000..0774523
Binary files /dev/null and b/favicon.ico differ
diff --git a/index.html b/index.html
index ca8d2a3..96e187c 100644
--- a/index.html
+++ b/index.html
@@ -4,6 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Web Serial Console</title>
+    <link rel="icon" type="image/x-icon" href="./favicon.ico">
     <script src="https://cdn.tailwindcss.com"></script>
     <style>
       select:focus {
@@ -12,7 +13,7 @@
       }
     </style>
   </head>
-  <body class="min-h-screen m-0 p-0 bg-gradient-to-b from-neutral-100 to-neutral-50">
+  <body class="min-h-screen m-0 p-0 bg-gradient-to-b from-neutral-100 to-neutral-50 dark:bg-slate-900">
     <div class="flex flex-col h-3/4" id="container">
       <div class="p-5" id="top-half">
         <h1 class="italic text-3xl font-bold mb-4">Web Serial Console</h1>
