diff --git a/packages/frontend/index.html b/packages/frontend/index.html
index 16b5541..f685926 100644
--- a/packages/frontend/index.html
+++ b/packages/frontend/index.html
@@ -1,10 +1,17 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="en" class="dark">
   <head>
     <meta charset="UTF-8" />
     <link rel="icon" type="image/svg+xml" href="/vite.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Issue Project Manager</title>
+    <style>
+      html,
+      body {
+        background-color: oklch(0.145 0 0);
+        color: oklch(0.985 0 0);
+      }
+    </style>
   </head>
 
   <body>
