put newsroom feed in .sidebar-widget content class

app/views/components/page-sidebar.pug

@@ -14,11 +14,12 @@ mixin renderPageSidebar ( )
       title: 'Browse all news feeds',
       url: '/newsroom',
     })
-    if Array.isArray(newsfeed.entries) && (newsfeed.entries.length > 0)
-      ul.uk-list
-        each entry in newsfeed.entries
-          li
-            +renderNewsroomFeedEntryListItem(entry)
+    .sidebar-widget
+      if Array.isArray(newsfeed.entries) && (newsfeed.entries.length > 0)
+        ul.uk-list
+          each entry in newsfeed.entries
+            li
+              +renderNewsroomFeedEntryListItem(entry)
 
   .uk-margin
     +renderSectionTitle('Widget', {