diff --git a/core/modules/node/css/node.admin.css b/core/modules/node/css/node.admin.css
deleted file mode 100644
index 101a38d539..0000000000
--- 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 83%
rename from core/modules/node/css/node.module.css
rename to core/modules/node/css/node.admin.theme.css
index c564633691..0b1b6c7e44 100644
--- a/core/modules/node/css/node.module.css
+++ b/core/modules/node/css/node.admin.theme.css
@@ -1,10 +1,10 @@
 /**
  * @file
- * Styles for administration pages.
+ * Styles for node administration.
  */
 
 /**
- * Node add/edit form layout
+ * Node add/edit form layout.
  */
 
 /* Narrow screens */
@@ -13,23 +13,20 @@
 }
 
 /* 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 */
-    box-sizing: border-box;
     width: 65%;
     padding-right: 2em; /* LTR */
+    box-sizing: border-box;
   }
 
   [dir="rtl"] .layout-region-node-main,
   [dir="rtl"] .layout-region-node-footer {
     float: right;
-    padding-right: 0;
     padding-left: 2em;
+    padding-right: 0;
   }
 
   .layout-region-node-secondary {
@@ -60,12 +57,10 @@
 /**
  * The vertical toolbar mode gets triggered for narrow screens, which throws off
  * the intent of media queries written for the viewport width. When the vertical
- * toolbar is on, we need to suppress layout for the original media width + the
- * toolbar width (240px). In this case, 240px + 780px.
+ * 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 {
@@ -74,3 +69,8 @@
     padding-right: 0;
   }
 }
+
+/* Revision color. */
+.revision-current {
+  background: #ffc;
+}
diff --git a/core/modules/node/css/node.preview.css b/core/modules/node/css/node.theme.css
similarity index 94%
rename from core/modules/node/css/node.preview.css
rename to core/modules/node/css/node.theme.css
index 15205ab92d..dc47e7ed72 100644
--- a/core/modules/node/css/node.preview.css
+++ b/core/modules/node/css/node.theme.css
@@ -6,17 +6,18 @@
 .node-preview-container {
   position: fixed;
   z-index: 499;
-  box-sizing: border-box;
   width: 100%;
   padding: 10px;
+  box-sizing: border-box;
 }
 
 @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;
+    margin-left: 0%;
   }
 }
diff --git a/core/modules/node/node.libraries.yml b/core/modules/node/node.libraries.yml
index d599c2aa18..5ff4aadd1e 100644
--- a/core/modules/node/node.libraries.yml
+++ b/core/modules/node/node.libraries.yml
@@ -1,8 +1,8 @@
 drupal.node:
   version: VERSION
   css:
-    layout:
-      css/node.module.css: {}
+    theme:
+      css/node.admin.theme.css: { }
   js:
     node.js: {}
   dependencies:
@@ -13,7 +13,7 @@ drupal.node.preview:
   version: VERSION
   css:
     theme:
-      css/node.preview.css: {}
+      css/node.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 ed80d7ced7..581d7bd18d 100644
--- a/core/modules/node/src/Controller/NodeController.php
+++ b/core/modules/node/src/Controller/NodeController.php
@@ -259,7 +259,7 @@ public function revisionOverview(NodeInterface $node) {
       '#rows' => $rows,
       '#header' => $header,
       '#attached' => [
-        'library' => ['node/drupal.node.admin'],
+        'library' => ['node/drupal.node'],
       ],
       '#attributes' => ['class' => 'node-revision-table'],
     ];