diff --git a/core/modules/node/css/node.admin.css b/core/modules/node/css/node.admin.css
deleted file mode 100644
index 101a38d..0000000
--- a/core/modules/node/css/node.admin.css
+++ /dev/null
@@ -1,11 +0,0 @@
-/**
- * @file
- * Styles for administration pages.
- */
-
-/**
- * Revisions overview screen.
- */
-.revision-current {
-  background: #ffc;
-}
diff --git a/core/modules/node/css/node.module.css b/core/modules/node/css/node.admin.theme.css
similarity index 70%
rename from core/modules/node/css/node.module.css
rename to core/modules/node/css/node.admin.theme.css
index cc865b6..e6159a1 100644
--- a/core/modules/node/css/node.module.css
+++ b/core/modules/node/css/node.admin.theme.css
@@ -1,22 +1,19 @@
 /**
  * @file
- * Styles for administration pages.
+ * Styles for node administration.
  */
 
 /**
- * Node add/edit form layout
+ * Node add/edit form layout.
  */
 
 /* Narrow screens */
 .layout-region {
-  box-sizing:         border-box;
+  box-sizing: border-box;
 }
 
 /* Wide screens */
-@media
-  screen and (min-width: 780px),
-  (orientation: landscape) and (min-device-height: 780px) {
-
+@media screen and (min-width: 780px), (orientation: landscape) and (min-device-height: 780px) {
   .layout-region-node-main,
   .layout-region-node-footer {
     float: left; /* LTR */
@@ -50,7 +47,7 @@
   .layout-region-node-secondary .form-number,
   .layout-region-node-secondary .form-color,
   .layout-region-node-secondary textarea {
-    box-sizing:         border-box;
+    box-sizing: border-box;
     width: 100%;
     max-width: 100%;
   }
@@ -62,9 +59,7 @@
  * toolbar is on, we need to suppress layout for the original media width + the
  * toolbar width (240px). In this case, 240px + 780px.
  */
-@media
-  screen and (max-width: 1020px) {
-
+@media screen and (max-width: 1020px) {
   .toolbar-vertical.toolbar-tray-open .layout-region-node-main,
   .toolbar-vertical.toolbar-tray-open .layout-region-node-footer,
   .toolbar-vertical.toolbar-tray-open .layout-region-node-secondary {
@@ -73,3 +68,26 @@
     padding-right: 0;
   }
 }
+
+/* Node preview container. */
+.node-preview-container {
+  position: fixed;
+  z-index: 499;
+  width: 100%;
+  padding: 10px;
+}
+
+@media only screen and (min-width: 36em) {
+  .node-preview-container .form-type-select {
+    margin-left: 25%; /* LTR */
+  }
+  [dir="rtl"] .node-preview-container .form-type-select {
+    margin-right: 25%;
+    margin-left: 0;
+  }
+}
+
+/* Revision color. */
+.revision-current {
+  background: #ffc;
+}
diff --git a/core/modules/node/css/node.preview.css b/core/modules/node/css/node.preview.css
deleted file mode 100644
index 481a02e..0000000
--- a/core/modules/node/css/node.preview.css
+++ /dev/null
@@ -1,21 +0,0 @@
-/**
- * @file
- * Styles for node preview page.
- */
-
-.node-preview-container {
-  position: fixed;
-  z-index: 499;
-  width: 100%;
-  padding: 10px;
-}
-
-@media only screen and (min-width: 36em) {
-  .node-preview-container .form-type-select {
-    margin-left: 25%; /* LTR */
-  }
-  [dir="rtl"] .node-preview-container .form-type-select {
-    margin-right: 25%;
-    margin-left: 0%;
-  }
-}
diff --git a/core/modules/node/node.libraries.yml b/core/modules/node/node.libraries.yml
index 22c93ac..0c0de2c 100644
--- a/core/modules/node/node.libraries.yml
+++ b/core/modules/node/node.libraries.yml
@@ -2,7 +2,7 @@ drupal.node:
   version: VERSION
   css:
     layout:
-      css/node.module.css: {}
+      css/node.admin.theme.css: {}
   js:
     node.js: {}
   dependencies:
@@ -15,7 +15,7 @@ drupal.node.preview:
   version: VERSION
   css:
     theme:
-      css/node.preview.css: {}
+      css/node.admin.theme.css: {}
   js:
     node.preview.js: {}
   dependencies:
@@ -32,15 +32,3 @@ drupal.content_types:
     - core/jquery
     - core/drupal
     - core/drupal.form
-
-form:
-  version: VERSION
-  css:
-    layout:
-      css/node.module.css: {}
-
-drupal.node.admin:
-  version: VERSION
-  css:
-    theme:
-      css/node.admin.css: {}
diff --git a/core/modules/node/src/Controller/NodeController.php b/core/modules/node/src/Controller/NodeController.php
index f4a30ee..62263b3 100644
--- a/core/modules/node/src/Controller/NodeController.php
+++ b/core/modules/node/src/Controller/NodeController.php
@@ -226,7 +226,7 @@ public function revisionOverview(NodeInterface $node) {
       '#rows' => $rows,
       '#header' => $header,
       '#attached' => array(
-        'library' => array('node/drupal.node.admin'),
+        'library' => array('node/drupal.node'),
       ),
     );