ISTWCMS-4866: adding class to content section so that we can target non layout pages

uw_fdsu_theme_resp.theme

@@ -145,6 +145,19 @@ function uw_fdsu_theme_resp_preprocess_region(&$variables) {
       $variables['classes'][] = 'layout';
       $variables['classes'][] = 'uw-contained-width';
     }
+
+    if ($route_name == 'entity.node.canonical') {
+
+      // Get the current path.
+      $parts = explode('/', \Drupal::service('path.current')->getPath());
+
+      // If the last in the array parts is not layout,
+      // add a class so that we traget anything but
+      // the layout pages.
+      if (end($parts) !== 'layout') {
+        $variables['classes'][] = 'not-layout-page';
+      }
+    }
   }
 }