newsletter issues visible on front with right alias

web/themes/custom/materiotheme/assets/scripts/main.js

@@ -96,7 +96,9 @@ export let _v_sitebranding_block, _v_user_block, _v_header_menu,
           drupalDecoupled.route_name.indexOf('flagging_collection') !== -1 ||
           drupalDecoupled.route_name.indexOf('user') !== -1 ||
           drupalDecoupled.route_name.indexOf('entity.webform.canonical') !== -1 ||
-          drupalDecoupled.route_name.indexOf('entity.webform.confirmation') !== -1) {
+          drupalDecoupled.route_name.indexOf('entity.webform.confirmation') !== -1 ||
+          (drupalDecoupled.route_name === 'entity.node.canonical' && drupalDecoupled.entity_bundle === 'simplenews_issue')
+      ) {
         console.debug('NO VUEJS')
         return true
       } else {

web/themes/custom/materiotheme/assets/styles/main.scss

@@ -552,7 +552,8 @@ header[role="banner"]{
 				padding:0.5em 1em;
 			}
 			body.path-blabla &,
-			body.path-checkout & {
+			body.path-checkout &,
+      body.page-node-type-simplenews-issue & {
 				color: #fff;
 				background-color: $color-blabla;
 			}