diff --git a/core/modules/taxonomy/taxonomy.libraries.yml b/core/modules/taxonomy/taxonomy.libraries.yml
index 3a7904f..1119cf1 100644
--- a/core/modules/taxonomy/taxonomy.libraries.yml
+++ b/core/modules/taxonomy/taxonomy.libraries.yml
@@ -2,9 +2,6 @@ drupal.taxonomy:
   version: VERSION
   js:
     taxonomy.js: {}
-  css:
-    component:
-      css/taxonomy.theme.css: {}
   dependencies:
     - core/jquery
     - core/drupal
diff --git a/core/themes/classy/classy.libraries.yml b/core/themes/classy/classy.libraries.yml
index 15d8266..eb01b06 100644
--- a/core/themes/classy/classy.libraries.yml
+++ b/core/themes/classy/classy.libraries.yml
@@ -31,3 +31,5 @@ search.results:
   css:
     theme:
       css/search/search.theme.css: {}
+    component:
+      css/taxonomy/taxonomy.theme.css: {}
diff --git a/core/themes/classy/templates/content/taxonomy-term.html.twig b/core/themes/classy/templates/content/taxonomy-term.html.twig
index 7e0446e..9fcea9a 100644
--- a/core/themes/classy/templates/content/taxonomy-term.html.twig
+++ b/core/themes/classy/templates/content/taxonomy-term.html.twig
@@ -23,6 +23,7 @@
  * @see template_preprocess_taxonomy_term()
  */
 #}
+{{ attach_library('classy/drupal.taxonomy') }}
 {%
   set classes = [
     'taxonomy-term',
diff --git a/core/modules/taxonomy/css/taxonomy.theme.css b/core/themes/seven/css/components/taxonomy-term.css
similarity index 72%
rename from core/modules/taxonomy/css/taxonomy.theme.css
rename to core/themes/seven/css/components/taxonomy-term.css
index 543666a..23b95d4 100644
--- a/core/modules/taxonomy/css/taxonomy.theme.css
+++ b/core/themes/seven/css/components/taxonomy-term.css
@@ -1,3 +1,7 @@
+/**
+ * @file
+ * Visual styles for taxonomy term admin page.
+ */
 
 .taxonomy-term-preview {
   background-color: #eee;
diff --git a/core/themes/seven/seven.libraries.yml b/core/themes/seven/seven.libraries.yml
index 0b814b5..6902281 100644
--- a/core/themes/seven/seven.libraries.yml
+++ b/core/themes/seven/seven.libraries.yml
@@ -92,3 +92,8 @@ seven.drupal.dialog:
   css:
     theme:
       css/components/dialog.theme.css: {}
+
+taxonomy-term:
+  css:
+    component:
+      css/components/taxonomy-term.css: {}
diff --git a/core/themes/seven/seven.theme b/core/themes/seven/seven.theme
index 1a44bc4..6e4b6b6 100644
--- a/core/themes/seven/seven.theme
+++ b/core/themes/seven/seven.theme
@@ -202,4 +202,8 @@ function seven_library_info_alter(&$libraries, $extension) {
     unset($libraries['drupal.dialog']['css']['theme']['misc/dialog.theme.css']);
     $libraries['drupal.dialog']['dependencies'][] = 'seven/seven.drupal.dialog';
   }
+  if ($extension == 'taxonomy' && isset($libraries['drupal.taxonomy'])) {
+    $libraries['drupal.taxonomy']['dependencies'][] = 'seven/taxonomy-term';
+  }
 }
+