diff --git a/core/modules/media_library/css/media_library.theme.css b/core/modules/media_library/css/media_library.theme.css
index 14d33a9aec..f51112489a 100644
--- a/core/modules/media_library/css/media_library.theme.css
+++ b/core/modules/media_library/css/media_library.theme.css
@@ -136,6 +136,7 @@
 /* Media add form selection styles. */
 .media-library-add-form-selection {
   margin-top: 1em;
+  padding-top: 1em;
   border-top: 1px solid #c0c0c0;
 }
 
diff --git a/core/modules/media_library/src/Form/AddFormBase.php b/core/modules/media_library/src/Form/AddFormBase.php
index 97060cd96c..0f9679a074 100644
--- a/core/modules/media_library/src/Form/AddFormBase.php
+++ b/core/modules/media_library/src/Form/AddFormBase.php
@@ -337,6 +337,7 @@ protected function buildSelectedItemElement(MediaInterface $media, array $form,
       '#attributes' => [
         'class' => [
           'media-library-item',
+          'media-library-item--grid',
           'js-media-library-item',
           'js-click-to-select',
         ],