diff --git a/core/modules/comment/src/CommentTypeListBuilder.php b/core/modules/comment/src/CommentTypeListBuilder.php
index 7f54ce9..32a4c19 100644
--- a/core/modules/comment/src/CommentTypeListBuilder.php
+++ b/core/modules/comment/src/CommentTypeListBuilder.php
@@ -37,7 +37,10 @@ public function getDefaultOperations(EntityInterface $entity) {
    */
   public function buildHeader() {
     $header['type'] = t('Comment type');
-    $header['description'] = t('Description');
+    $header['description'] = array(
+      'data' => t('Description'),
+      'class' => RESPONSIVE_PRIORITY_MEDIUM
+    );
     return $header + parent::buildHeader();
   }
 
@@ -46,7 +49,10 @@ public function buildHeader() {
    */
   public function buildRow(EntityInterface $entity) {
     $row['type'] = String::checkPlain($entity->label());
-    $row['description'] = Xss::filterAdmin($entity->getDescription());
+    $row['description'] = array(
+      'data' => Xss::filterAdmin($entity->getDescription()),
+      'class' => RESPONSIVE_PRIORITY_MEDIUM
+    );
     return $row + parent::buildRow($entity);
   }
 
diff --git a/core/modules/contact/src/ContactFormListBuilder.php b/core/modules/contact/src/ContactFormListBuilder.php
index 883ad9a..369f66e 100644
--- a/core/modules/contact/src/ContactFormListBuilder.php
+++ b/core/modules/contact/src/ContactFormListBuilder.php
@@ -23,8 +23,14 @@ class ContactFormListBuilder extends ConfigEntityListBuilder {
    */
   public function buildHeader() {
     $header['form'] = t('Form');
-    $header['recipients'] = t('Recipients');
-    $header['selected'] = t('Selected');
+    $header['recipients'] = array(
+      'data' => t('Recipients'),
+      'class' => RESPONSIVE_PRIORITY_MEDIUM
+    );
+    $header['selected'] = array(
+      'data' => t('Selected'),
+      'class' => RESPONSIVE_PRIORITY_MEDIUM
+    );
     return $header + parent::buildHeader();
   }
 
@@ -43,6 +49,15 @@ public function buildRow(EntityInterface $entity) {
       $default_form = \Drupal::config('contact.settings')->get('default_form');
       $row['selected'] = ($default_form == $entity->id() ? t('Yes') : t('No'));
     }
+    $row['recipients'] = array(
+      'data' => $row['recipients'],
+      'class' => RESPONSIVE_PRIORITY_MEDIUM
+    );
+    $row['selected'] = array(
+      'data' => $row['selected'],
+      'class' => RESPONSIVE_PRIORITY_MEDIUM
+    );
+
     return $row + parent::buildRow($entity);
   }
 
diff --git a/core/modules/field_ui/src/FieldOverview.php b/core/modules/field_ui/src/FieldOverview.php
index 0e42fcd..7f3c4a6 100644
--- a/core/modules/field_ui/src/FieldOverview.php
+++ b/core/modules/field_ui/src/FieldOverview.php
@@ -105,7 +105,10 @@ public function buildForm(array $form, FormStateInterface $form_state, $entity_t
           'data' => $this->t('Machine name'),
           'class' => array(RESPONSIVE_PRIORITY_MEDIUM),
         ),
-        $this->t('Field type'),
+        array(
+          'data' => $this->t('Field type'),
+          'class' => array(RESPONSIVE_PRIORITY_MEDIUM),
+        ),
         $this->t('Operations'),
       ),
       '#regions' => $this->getRegions(),
diff --git a/core/modules/node/config/install/views.view.content.yml b/core/modules/node/config/install/views.view.content.yml
index 229fed6..c6c4f4c 100644
--- a/core/modules/node/config/install/views.view.content.yml
+++ b/core/modules/node/config/install/views.view.content.yml
@@ -84,7 +84,7 @@ display:
               align: ''
               separator: ''
               empty_column: false
-              responsive: ''
+              responsive: priority-medium
             name:
               sortable: false
               default_sort_order: asc
@@ -98,7 +98,7 @@ display:
               align: ''
               separator: ''
               empty_column: false
-              responsive: ''
+              responsive: priority-medium
             changed:
               sortable: true
               default_sort_order: desc
diff --git a/core/modules/views_ui/src/ViewListBuilder.php b/core/modules/views_ui/src/ViewListBuilder.php
index 9d12e5a..8cfdc18 100644
--- a/core/modules/views_ui/src/ViewListBuilder.php
+++ b/core/modules/views_ui/src/ViewListBuilder.php
@@ -122,15 +122,15 @@ public function buildHeader() {
       ),
       'description' => array(
         'data' => $this->t('Description'),
-        'class' => array('views-ui-description'),
+        'class' => array('views-ui-description', RESPONSIVE_PRIORITY_MEDIUM),
       ),
       'tag' => array(
         'data' => $this->t('Tag'),
-        'class' => array('views-ui-tag'),
+        'class' => array('views-ui-tag', RESPONSIVE_PRIORITY_MEDIUM),
       ),
       'path' => array(
         'data' => $this->t('Path'),
-        'class' => array('views-ui-path'),
+        'class' => array('views-ui-path', RESPONSIVE_PRIORITY_MEDIUM),
       ),
       'operations' => array(
         'data' => $this->t('Operations'),