diff --git a/core/modules/views_ui/css/views_ui.admin.theme.css b/core/modules/views_ui/css/views_ui.admin.theme.css
index fcd4133..b0e9044 100644
--- a/core/modules/views_ui/css/views_ui.admin.theme.css
+++ b/core/modules/views_ui/css/views_ui.admin.theme.css
@@ -1104,6 +1104,7 @@ td.group-title {
  */
 div.messages {
   margin-bottom: 18px;
+  line-height: 1.4555;
 }
 
 /* @end */
@@ -1117,8 +1118,7 @@ div.messages {
   position: relative;
 }
 .js .dropbutton-wrapper .dropbutton .dropbutton-action > * {
-  font-size: 11px;
-  padding: 0.2em 0.75em;
+  font-size: 12px;
 }
 .js .dropbutton-wrapper.dropbutton-multiple.open .dropbutton-action:first-child a {
   border-radius: 1.1em 0 0 0;
diff --git a/core/tests/Drupal/Tests/Core/Extension/ThemeHandlerTest.php b/core/tests/Drupal/Tests/Core/Extension/ThemeHandlerTest.php
index 7f0d60f..e8ec0ae 100644
--- a/core/tests/Drupal/Tests/Core/Extension/ThemeHandlerTest.php
+++ b/core/tests/Drupal/Tests/Core/Extension/ThemeHandlerTest.php
@@ -283,7 +283,7 @@ public function testRebuildThemeData() {
         'style.css' => DRUPAL_ROOT . '/core/themes/seven/style.css',
         'css/components/buttons.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/buttons.css',
         'css/components/buttons.theme.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/buttons.theme.css',
-        'css/components/dropbutton.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/dropbutton.css',
+        'css/components/dropbutton.component.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/dropbutton.component.css',
       ),
     ), $info->info['stylesheets']);
     $this->assertEquals(DRUPAL_ROOT . '/core/themes/seven/screenshot.png', $info->info['screenshot']);