diff --git a/glances/outputs/static/js/app.js b/glances/outputs/static/js/app.js
index a7b56bd1..3cdcc936 100644
--- a/glances/outputs/static/js/app.js
+++ b/glances/outputs/static/js/app.js
@@ -1,6 +1,6 @@
 
-import 'bootstrap/dist/css/bootstrap.min.css';
-import '../css/style.css';
+import '../css/bootstrap.less';
+import '../css/style.scss';
 
 import './module';
 import './services';