diff --git a/templates/base.jinja2 b/templates/base.jinja2
index d40f640..15ad117 100644
--- a/templates/base.jinja2
+++ b/templates/base.jinja2
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 
-<html lang="en">
+<html lang="en" data-bs-theme="dark">
     <head>
         <meta charset="UTF-8">
         <meta name="viewport" content="width=device-width, initial-scale=1.0">
