diff --git a/core/modules/file/css/file.admin.css b/core/modules/file/css/file.admin.css
deleted file mode 100644
index 6a45644..0000000
--- a/core/modules/file/css/file.admin.css
+++ /dev/null
@@ -1,18 +0,0 @@
-/**
- * @file
- * Admin stylesheet for file module.
- */
-
-/* File upload widget.*/
-.form-managed-file .form-submit {
-  margin: 0 0.5em;
-}
-.form-managed-file div.ajax-progress-bar {
-  display: none;
-  margin-top: 4px;
-  padding: 0;
-  width: 28em;
-}
-.form-managed-file .ajax-progress-bar .bar {
-  margin: 0;
-}
diff --git a/core/themes/bartik/bartik.libraries.yml b/core/themes/bartik/bartik.libraries.yml
index 3bbecd9..706bba0 100644
--- a/core/themes/bartik/bartik.libraries.yml
+++ b/core/themes/bartik/bartik.libraries.yml
@@ -18,6 +18,7 @@ global-styling:
       css/components/field.css: {}
       css/components/form.css: {}
       css/components/forum.css: {}
+      css/components/form-managed-file.css: {}
       css/components/header.css: {}
       css/components/help.css: {}
       css/components/highlighted.css: {}
diff --git a/core/themes/bartik/css/components/form-managed-file.css b/core/themes/bartik/css/components/form-managed-file.css
new file mode 100644
index 0000000..6a45644
--- /dev/null
+++ b/core/themes/bartik/css/components/form-managed-file.css
@@ -0,0 +1,18 @@
+/**
+ * @file
+ * Admin stylesheet for file module.
+ */
+
+/* File upload widget.*/
+.form-managed-file .form-submit {
+  margin: 0 0.5em;
+}
+.form-managed-file div.ajax-progress-bar {
+  display: none;
+  margin-top: 4px;
+  padding: 0;
+  width: 28em;
+}
+.form-managed-file .ajax-progress-bar .bar {
+  margin: 0;
+}
diff --git a/core/themes/seven/css/components/form-managed-file.css b/core/themes/seven/css/components/form-managed-file.css
new file mode 100644
index 0000000..6a45644
--- /dev/null
+++ b/core/themes/seven/css/components/form-managed-file.css
@@ -0,0 +1,18 @@
+/**
+ * @file
+ * Admin stylesheet for file module.
+ */
+
+/* File upload widget.*/
+.form-managed-file .form-submit {
+  margin: 0 0.5em;
+}
+.form-managed-file div.ajax-progress-bar {
+  display: none;
+  margin-top: 4px;
+  padding: 0;
+  width: 28em;
+}
+.form-managed-file .ajax-progress-bar .bar {
+  margin: 0;
+}
diff --git a/core/themes/seven/seven.libraries.yml b/core/themes/seven/seven.libraries.yml
index cec9887..48e90e7 100644
--- a/core/themes/seven/seven.libraries.yml
+++ b/core/themes/seven/seven.libraries.yml
@@ -15,6 +15,7 @@ global-styling:
       css/components/dropbutton.component.css: {}
       css/components/entity-meta.css: {}
       css/components/field-ui.css: {}
+      css/components/form-managed-file.css: {}
       css/components/form.css: {}
       css/components/help.css: {}
       css/components/menus-and-lists.css: {}