diff --git a/app/templates/index.html b/app/templates/index.html
index 81f1bbdd9d20be57a159c5ecdc7dfc381813c370..8862ec5ff63850f133e23fb7da1aeebeebb10b71 100644
--- a/app/templates/index.html
+++ b/app/templates/index.html
@@ -20,6 +20,7 @@
 	<link rel="stylesheet" href="{{ url_for('static', filename='css/material-icons.css') }}" />
 	<link rel="stylesheet" href="{{ url_for('static', filename='css/prism.min.css') }}" />
 	<link rel="stylesheet" href="{{ url_for('static', filename='css/main.css') }}?v={{ version }}" />
+  <link rel="stylesheet" href="{{ url_for('static', filename='css/dark-theme.css') }}" />
 
 	{% if gaId %}
 	<!-- Global site tag (gtag.js) - Google Analytics -->