diff --git a/web/src/main/webapp/main.js b/web/src/main/webapp/main.js
index 6d750727c..ecb37ea6d 100644
--- a/web/src/main/webapp/main.js
+++ b/web/src/main/webapp/main.js
@@ -36,6 +36,8 @@ require(['./config', './js/login-config'], function(config, loginConfig) {
     */
     function bootstrapApplication() {
       angular.bootstrap(document, ['my-app']);
+      // eslint-disable-next-line no-undef
+      cssVars({shadowDOM: true, watch: true});
     }
 
     /**