diff --git a/resources/www/authentication/styles/main.scss b/resources/www/authentication/styles/main.scss
index 1c66295bc4..251263a250 100644
--- a/resources/www/authentication/styles/main.scss
+++ b/resources/www/authentication/styles/main.scss
@@ -1,6 +1,7 @@
 @import '../../_shared/styles/variables';
 @import 'variables';
 @import '../../vendors/bootstrap/bootstrap';
+@import '../../vendors/bootstrap/responsive';
 @import '../../account/styles/skin';
 @import '../../../../node_modules/font-awesome/scss/font-awesome.scss';
 @import '../../../../node_modules/jquery-ui/themes/base/autocomplete'; // not extension for inline import