diff --git a/core/tests/Drupal/Tests/Core/Extension/ThemeHandlerTest.php b/core/tests/Drupal/Tests/Core/Extension/ThemeHandlerTest.php
index 3d89abe5031fdac7a035102fbb67a30e061cc54d..547c953021740a33c9accbbaa934d66a08d7c141 100644
--- a/core/tests/Drupal/Tests/Core/Extension/ThemeHandlerTest.php
+++ b/core/tests/Drupal/Tests/Core/Extension/ThemeHandlerTest.php
@@ -180,7 +180,7 @@ public function testRebuildThemeData() {
         'css/components/admin-options.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/admin-options.css',
         'css/components/admin-panel.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/admin-panel.css',
         'css/components/block-recent-content.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/block-recent-content.css',
-        'css/components/branding.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/branding.css',
+        'css/components/content-header.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/content-header.css',
         'css/components/breadcrumb.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/breadcrumb.css',
         'css/components/buttons.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/buttons.css',
         'css/components/buttons.theme.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/buttons.theme.css',
diff --git a/core/themes/seven/css/components/branding.css b/core/themes/seven/css/components/content-header.css
similarity index 68%
rename from core/themes/seven/css/components/branding.css
rename to core/themes/seven/css/components/content-header.css
index 90d2ae866ae2751c1ec1d9243450eb4b20f3d2d7..962688a38ae116561a7b4cbcc09cfa0bd3a50f07 100644
--- a/core/themes/seven/css/components/branding.css
+++ b/core/themes/seven/css/components/content-header.css
@@ -1,7 +1,7 @@
 /**
- * Branding.
+ * Content header.
  */
-#branding {
+.content-header {
   overflow: hidden;
   background-color: #e0e0d8;
   padding: 24px 0 0;
diff --git a/core/themes/seven/css/components/page-title.css b/core/themes/seven/css/components/page-title.css
index aed5ca833ff993dc31267e4bd0d546ae63eeea17..664bbd1eb7ccd6b4fbbfdac1719117183668c3a1 100644
--- a/core/themes/seven/css/components/page-title.css
+++ b/core/themes/seven/css/components/page-title.css
@@ -4,7 +4,7 @@
 #page-title {
   padding-top: 20px;
 }
-#branding .page-title {
+.content-header .page-title {
   color: #333;
   display: inline-block;
   margin: 0;
diff --git a/core/themes/seven/css/components/tabs.css b/core/themes/seven/css/components/tabs.css
index fe8d8fc945300ec3958ac2b8eef438a539666f70..6f437fbfd60253e532398006f3f7ba3241e26f77 100644
--- a/core/themes/seven/css/components/tabs.css
+++ b/core/themes/seven/css/components/tabs.css
@@ -19,8 +19,8 @@
 }
 
 /* Span the full width of the viewport */
-#branding .is-horizontal .tabs:before,
-#branding .is-collapse-enabled .tabs:before {
+.content-header .is-horizontal .tabs:before,
+.content-header .is-collapse-enabled .tabs:before {
   left: -2.5em;
   right: -2.5em;
 }
diff --git a/core/themes/seven/seven.info.yml b/core/themes/seven/seven.info.yml
index 2357e5e93661fcf0bc3df8f56b3d0816dd11eb7f..5ef8ed1b84010dd808a72582e80aae8cc3f95dc9 100644
--- a/core/themes/seven/seven.info.yml
+++ b/core/themes/seven/seven.info.yml
@@ -14,7 +14,7 @@ stylesheets:
     - css/components/admin-options.css
     - css/components/admin-panel.css
     - css/components/block-recent-content.css
-    - css/components/branding.css
+    - css/components/content-header.css
     - css/components/breadcrumb.css
     - css/components/buttons.css
     - css/components/buttons.theme.css
diff --git a/core/themes/seven/templates/page.html.twig b/core/themes/seven/templates/page.html.twig
index 1a13268cf6528006561ce4bbf518bb4c4268a3ee..c5ffc5cd112d25a0a91575cb0a8b3b7ba986b902 100644
--- a/core/themes/seven/templates/page.html.twig
+++ b/core/themes/seven/templates/page.html.twig
@@ -60,7 +60,7 @@
  * @see html.html.twig
  */
 #}
-  <header id="branding" class="clearfix">
+  <header class="content-header clearfix">
     <div class="layout-container">
       {{ title_prefix }}
       {% if title %}